RI 2344 / Recovery of Gasoline from Uncondensed Still Vapors,, $ 6

RI 2448 / Preliminary Investigation of Brattice Cloth Used in Coal Mining, $ 2

RI 2449 / Bureau of Mines Approval System as applied to permissible storage battery locomotives, $ 4

RI 2452 / Jet, $ 2

RI 2453 / Morbidity studies as an aid in preventing Illness among mines, $ 4

RI 2455 / How steam production costs were reduced in a hand-fired return-tabular boiler plant, $ 5

RI 2456 / Effects of Temperature and Time of Reaction in Distilling Oil Shale on the Yields and Properties of the Crude Oils, $ 6

RI 2457 / Putting Safety Over in a Small Mine, $ 2

RI 2462 / The Treatment of Natural Gas Gasoline to Meet the Doctor Test, $ 2

RI 2464 / Physiological effect of high temperatures and humidities with and without air movement, $ 3

RI 2465 / Mine Timber in Illinois Coal Mines, $ 4

RI 2466 / An Economic Study of the New Albany Shale, $ 5

RI 2468 / Monel Metal as a Material for Flame Safety Lamp Gauzes, $ 3

RI 2469 / The Desulphurization of Coke by Air, $ 3

RI 2470 / Combustion of Powdered Coal, $ 3

RI 2475 / The Metallurgical Treatment of Zinc Retort Residues,, $ 3

RI 2476 / Dangers of and Treatment for Carbon Monoxide Poisoning, $ 5

RI 2477 / Barite and Ocher in the Cartersville Georgia District, $ 3

RI 2950 / Petroleum Engineering in the Skull Creek Oil Pool, NE Osage County, Oklahoma, $ 4

RI 3065  /  Trends in the Production and uses of Granite as Dimensional Stone, $ 6

RI 3339  /  Progress Reports - Metallurgical Division # 17: Fixation of Sulphur from Smelter Smoke, $ 20

RI 3397 / Flotation and Agglomerate Concentration of Nonmetallic Minerals, $ 26

RI 3399 /  Bureau of Mines Apparatus for Determining the Dew Point of Gases under Pressure, $ 6

RI 3427 / Annual Report of the Nonmetals Division - Fiscal Year 1938, $ 5

RI 3434 /  Typical Oil-Field Brine-Conditioning Systems: Preparing Brine for Subsurface Injection, $ 20

RI 3445 /  Effect of Acid Treatment upon the ultimate recovery of oil from some limestone fields in Kansas, $ 20

RI 3456 /  Reservoir Characteristics of the Eunice Oil Field, Lea County, New Mexico, $ 24

RI 3460 / Ocular Photocell for the Rapid Determination of Projected Area of Opaque Particles, $ 7

RI 3469 / Progress Reports - Metallurgical Division 32. Ore-Dressing Studies, $ 15

RI 3471 /  Active List of Permissible Explosives and Blasting Devices Approved prior to June 20, 1939, $ 14

RI 3472 / Reduction of Fly-Ash Emission From Chimneys, $ 24

RI 3473 /  Annual Report of the Nonmetals Division, Fiscal Year, 1939, $ 5

RI 3484 /  Progress Reports - Metallurgical Division 36. Ore-Testing Studies, 1938-39, $ 12

RI 3502 /  Time Study Analysis, Progress Report 3. Quarry Drilling, $ 14

RI 3553 /  Progress Reports - Metallurgical Division 43. Cationic Reagents in the Floatation of Silica from Gypsum Ores, $ 10

RI 3558 / Froth Flotation and Agglomerate Tabling of Micas, $ 10

RI 3560 / Progress Reports - Metallurgical Division 44. Microscopic Studies, $ 12

RI 3564 /  Progress Report Metallurgical Division 45. Ore-Testing Studies, 1939-40, $ 10

RI 3574 /  Exploration and Sampling of Domestic Deposits of Strategic Minerals by the Mining Division, Bureau of Mines, May 1,1941, $ 5

RI 3580 /  Progress Reports - Metallurgical Division 48. Electrolytic Manganese and its Alloys, $ 10

RI 3586 /  Preliminary Report on the Flotation of Bauxite, $ 12

RI 3596 / Annual Report of the Mining Division, Fiscal Year 1941, $ 20

RI 3598 / Bauxite Resources of the World, $ 16

RI 3599 / Report of the Nonmetals Division, Fiscal Year 1941, $ 20

RI 3610 / Beneficiation of Alunite, $ 14

RI 3625 / Manganese Investigations - Metallurgical Divsion 8. Pyrometallurgical Studies of Manganese Ores, $ 12

RI 3626 / Manganese Investigations - Metallurgical Division 7. Hydrometallurgical Studies of Manganese Ores, $ 16

RI 3627 / Cinnabar-Reduction Plants of the Southwestern Arkansas Quicksilver District, $ 16

RI 3628 /  Progress Report Metallurgical Division 52. Ore-Testing Studies of the Ore-Dressing Section, 1941, $ 10

RI 3675 /  Report of the Nonmetals Division, Fiscal Year 1942, $ 7

RI 3679 /  Smelting of Vanadium-Bearing Titaniferous Sinter in an Experimental Blast Furnace, $ 10

RI 3682 / Hard and Soft Kaolins of Georgia, $ 4

RI 3703 /  Contrasts in Grinding Characteristics of Mineral Products, $ 5

RI 3773 / A Method for Surveying Drill Holes by Oriented Drill Rods, $ 5

RI 3791 / Geophysical Survey of Arkansas Bauxite Region: Pulaski, Saline, Lonoke, White, Grant, Hot Spring, and Clark Counties, Arkansas, $ 16

RI 3801 /  Summary of Bureau of Mines Exploration Projects on Deposits of Raw Material Resources for Steel Production, $ 8

RI 3813 /  Equilibrium in the Reduction of Ferrous Chromite by Hydrogen and Energy Requirements in the Selective Reductions of Iron in Chromite, $ 8

RI 3837  /  Concentration of Oxide Manganese Ores from Clallam County, WA, $ 5

RI 3842 / Concentration of Manganese Ores from Gila, Greenlee and Graham Co., Arizona, $ 10

RI 3878 / Exploration of Eagle Mountain Fluorspar Deposits, Hudspeth County, Texas, $ 5

RI 3885 / Exploration of Red Mountain Chromite Deposits, Kenai Peninsula, Alaska, $ 12

RI 3888 / Routine Quantitative Analysis by X-Ray Diffraction, 1. Photometric Procedure, 2. Analytical Method, $ 7

RI 3889 / A Study of Fault Determinations by Geophysical Methods in the Fluorspar Areas of Western Kentucky, $ 14

RI 3891 / Standardized Tests for Determining in Physical Properties of Mine Rock, $ 24

RI 3917 /  Pilot-Plant Investigations, Matte Smelting of Chamberlain, South Dakota, Manganese Ore, $ 28

RI 3931 / Pilot-Plant Production of Electrolytic Manganese from Manganese Ores from Metals Reserve Stock Piles at Deming, New Mexico, Cushman, Arkansas, and Phillipsburg, Montana, $ 25

RI 3945 / Exploration of the Riley Tungsten Mine, Humboldt County, Nevada, $ 12

RI 3973 / Exploration of the Queen Mary Copper Project Missoula County, Montana, $ 35

RI 3979 / Exploration of Southern Cross Iron Deposits Deer Lodge County, Montana, $ 25

RI 3981 / Exploration of Choteau Titaniferous Magnetite Deposit Teton County, Montana, $ 30

RI 4026 /  Stauber Copper Mine, Guadalupe County, New Mexico, $ 26

RI 4029 /  Atwood Copper Group, Lordsburg District, Hidalgo County, New Mexico, $ 26

RI 4050  /  Bozeman Corundum Deposit, Gallatin County, Montana, $ 18

RI 4061 /  Technique of Surveying Diamond-Drill Holes with the Wright Radiolite Borehole - Surveying Instrument, $ 6

RI 4062 /  A Simple device for measurement of angles of azimuth and deviation from the horizontal on glass tubes used for surveying diamond-drill holes, $ 8

RI 4093 / Apache Iron Deposit, Navajo County, Arizona, $ 38

RI 4113  /  Gallatin Corundum Deposit, Gallatin, Co., Montana, $ 18

RI 4119  /  Sultan Zinc-Lead Mine, Clark County, Nevada, $ 22

RI 4133 /  Concentration of Fluorite Ores from Arizona, California, Idaho, Montana, Nevada, and Wyoming, $ 45

RI 4168 / Investigation of Chromite Deposits of the Stillwater Complex, Stillwater and Seetgrass Counties, Montana, $ 40

RI 4201 / Bucket-Drilling the Cosco Mercury Deposit, Inyo County, California, $ 20

RI 4208 / Titanium minerals in Trail Ridge, Florida, $ 12

RI 4346  /  Sampling Methods and Results at the Sullivan Creek Tin Placer Deposits, Manley Hot Springs, Tofty, Alaska, $18

RI 4368 /  Investigation of Chromite Deposit of the Stillwater Complex, Montana, $ 28

RI 4369 / Investigations of the Four Chromes and Other Chromite Deposits, Red Lodge District, Carbon County, Montana, $ 20

RI 4398 / Investigation of the Zinc-Lead Deposits in Horizons Below the Grand Falls Chert, Galena District, Cherokee County, Kansas, $ 28

RI 4407 Thermochemical Study of the Stability Relation of Geikielite and Ilmenite in Rocks 6

RI 4411 / Investigation of Eve Mills Zinc Deposit, Monroe County, Tennessee, $ 11

RI 4415 / Investigation of ZInc-Lead Deposits on Extensions of the Miami Trough, Ottawa County, Oklahoma and Cherokee County, Kansas, $ 15

RI 4416 / Investigation of Whiteware Clay Deposit Fergus County, Montana, $ 20

RI 4431 / Investigation of Copper-Nickel Deposits of the Stillwater Complex, Stillwater and Sweetgrass Counties, Montana, $ 30

RI 4434 / Investigation of Douglas Fluorite Property, $ 26

RI 4440 / Pilot-Plant Concentration of Arkansas Aluminum Ores, $ 10

RI 4441 / Concentration of Oxide Manganese Ores from the Turtle Claims and Pacific Coast Manganese Properties, Paymaster District, Imperial Co., $ 5

RI 4442 / Metallurgical Investigations of the Recovery of Zinc and Iron Sulfides from the Gray Zinc-Iron Deposit, Galena, Illinois, $ 15

RI 4445 / Beneficiation of Oxide and Silicate Manganese Ores from Crook, Albany, and Washakie Counties, Wyoming, $ 24

RI 4495 / Investigation of the Irwinton Bauxite District, Wilkinson County, Georgia, $ 23

RI 4504 / Investigation of Keystone and St. George Copper-Zinc Deposits, Cochise County, Arizona, $ 38

RI 4513 / Investigation of Henderson Gulch Tungsten Deposit, Granite County, Montana, $ 38

RI 4514 / Investigation of Capitan Iron Deposits, Lincoln County, New Mexico, $ 26

RI 4540 / Investigation of Snowball Fluorite Deposit, Maricopa County, Arizona, $ 16

RI 4541 / Investigation of Comet Coalition Lead-Zinc Deposit, Lincoln Co., Nevada, $15

RI 4549 / Investigation of the Prairie Creek Diamond Area, Pike County, Arkansas, $ 16

RI 4566 /  Sulfur in Petroleum III. Selected Physical Properties of some Sulfur Compounds, $ 10

RI 4573 /  Petrographic Determination of Quartz in the Presence of Claylike Minerals, $ 6

RI 4581 /  A Gage and Recording Equipment for measuring dynamic strain in rock, $ 16

RI 4593 / Investigation of Magnet Cove Rutile Deposit, Hot Spring County, Arkansas, $ 25

RI 4598 / Investigation of the Oronogo-Webb City-Duenweg Zinc-Lead District, Jasper County, Missouri, $ 25

RI 4603 / Investigation of the Klondike Fluorspar Deposit, Livingston County, Kentucky, $ 15

RI 4621 / Titanium and iron Minerals from Black Sands in Bauxite, $ 11

RI 4654 / Synthetic Liquid Fuels: Annual Report of the Secretary of the Interior for 1949, $ 29

RI 4655 / Oil Shale in Brazil, $ 10

RI 4769 / Green River Oil-Shale Reserves of Northwestern Colorado, $ 85

RI 4646 / Investigation of the Fluorite Deposits of the Dike and Eaton Veins, Crittenden County, Kentucky, $ 15

RI 4660 / Investigation of Gilley Fluorspar Deposits, Cherokee Co., Alabama, $ 6

RI 4670 / Flotation and Cyanidation Tests on a Gold-Copper Sulfide Ore from Cooke, Montana, $ 40

RI 4675 / INVESTIGATION OF SHAWANGUNK MINE ZINC-LEAD DEPOSIT, NEAR SUMMITVILLE, SULLIVAN COUNTY, NEW YORK, $ 40

RI 4677 / Investigation of Fluorite Deposits of Babb Vein System, Crittenden and Livingston Counties, Kentucky, $ 15

RI 4723 / Investigation of Manganese Deposits in the Philipsburg Mining District Granite County, Montana, $ 36

RI 4737 / Investigation of Southwestern Arkansas Mercury District; Howard, Pike, and Clark Counties, Arkansas, $ 15

RI 4767 /  Concentration of Carbonate and Oxide Manganese Ores from Silver Bow, $ 14

RI 4784 / Investigation of the Norwich Manganese Deposit, Silver Bow County, Montana, $ 35

RI 4807 / Estimate of known recoverable reserves of coking coal in Fayette County, Pennsylvania, $ 14

RI 4821 / Properties of Colorado Oil Shale, $ 45

RI 4825 / Properties of Colorado oil shale (photocopy), $ 20

RI 4827 /  Investigation of High-Alumina Clays and Bauxite of Northeastern Mississippi, $ 5

RI 4856 /  Knox and Yingling Fluorite Mines, Hardin County, $ 27

RI 4881 / Experimental Treatment of Barite Ores from Montgomery County, Arkansas, $ 4

RI 4884 / Concentration of Oxide Manganese Ores from the Vicinity of Cleveland, Bannock County, Idaho, $ 35

RI 4902 / Treatment of Titaniferous Magnetite Ore from Iron Mountain, Wyoming, $ 18

RI 4912 /  Soda Sinter Process for treating low-grade Titaniferous Ores, $ 15

RI 4916 / Crystal Mountain Fluorite Deposits Ravalli County, Montana, $ 28

RI 4919 /  Concentration of Bastnaesite and other Cerium Ores, $ 6

RI 4929 / Refractory Properties of Pacific Northwest Chromites, $ 65

RI 4937 / Investigation of Iron Sulfide Deposits in South-Central Aitkin and Carlton Counties, Minnesota, $ 8

RI 4951 / Ore-Dressing Tests of Aroostook County, Maine, Manganese Ores, $ 10

RI 4962  /  Blasting no-Cut-Hole Raise Rounds Using Millisecond Delays, $ 5

RI 4970 / Estimate of Known Recoverable Reserves of Coking Coal in Alleghany County, Maryland, $ 36

RI 4992 /  Investigation of the Brewer Topaz District, Chesterfield County, South Carolina, $ 15

RI 4999 / Metallurgical Investigations of Southeastern Missouri Cobalt-Nickel Resources, $ 35

RI 5005 / Mineral-Dressing Study of Manganese Ore, Cason Mine, Batesville, Arkansas, $ 12

RI 5012 / Diamond Drilling on the Shanton Magnetite-Ilmenite Deposits, Albany County, Wyoming, $ 16

RI 5014 / Lead-Zinc Deposits of the Dunkleberg District, Granite County, Montana, $ 40

RI 5015 / Diamond Orientation in Diamond Bits 3. Effects of Orienting High-Grade Drill Bort in Diamond-Coring Bit Crowns, $12

RI 5028 /  Roof Movement Study of Mechanized Retreating Longwall Operation, Lancashire No. 15 Mine, Bakerton, Pennsylvania, $ 20

RI 5039 / Beneficiation of Ferberite - Scheelite ore from Germania Consolidated Mines, Inc., Stevens County, Washington, $ 6

RI 5040  /  Anchorage Testing of Mine-Roof Bolts, Part I. Stotted-Type Bolts, $ 15

RI 5042 /  Investigation of Low-Grade Bauxites as Potential Sources of Aluminum by Caustic Desilication and Alumina Extraction, $ 15

RI 5044 / Synthetic Liquid Fuels, Part II. Oil from Oil Shale, $ 100

RI 5064 / Progress Report on Development of Columbium in Arkansas for 1953, $ 6

RI 5082 / Recovery of Manganese from Ores of Aroostook County, Maine, $ 35

RI 5086 / Laboratory Recovery of Manganese Carbonate from the Martin Mine, Independence County, Arkansas, $ 10

RI 5087 / Treatment Tests of Scheelite Ores from California, Nevada, and Utah, $ 12

RI 5088 /  Beneficiation of Sheelite Ore from the Sandong Mine, Korea, $ 7

RI 5091 /  Caustic Soda Fusion of Zirconium Ores, $ 7

RI 5092  /  Bureau of Mines Well-Bore Caliper, $ 5

RI 5093 /  Some Aspects of the Electrodeposition of Titanium and Zirconium Coatings, $ 10

RI 5098 /  Beneficiation of Western Phosphate Ores, $ 10

RI 5099 /  Nickel-Cobalt Resources of Cuba, $ 10

RI 5103 /  Cleaning Characteristics and Cleaning Tests of Montana Coal, $ 20

RI 5104 / Investigations of the Littleton Ridge Manganese Deposit, $ 30

RI 5169 /  Production of Hafnium, $ 8

RI 5170 / Electric Smelting of Ilmenite Concentrates from Valley County, Idaho, $ 10

RI 5173 / Manganese Exploration in the Philipsburg District, Granite County, Montana, $ 35

RI 5174 / Cutting Action of Rotary Bits in Oil Shale, $ 28

RI 5177 / Investigation of Copper-Nickel Mineralization in Kawishiwi River Area, Lake County, Minnesota, $ 28

RI 5188 / Investigation of Tombstone District, Manganese Deposits, Cochise County, Arizona, $ 36

RI 5194 / Anchorage Testing of Mine-Roof Bolts, part 2. Expansion Type, 3/4 inch bolts, $ 16

RI 5213 / Effect of Temperature on the Electrostatic Separation of Minerals, $ 16

RI 5222 / Reconnaissance of Phosphate-Rock Deposits in Arkansas, Kansas, Oklahoma, and Texas, $ 14

RI 5238 / Exploration and Utilization Studies, John Day Chromites, Oregon, $ 48

RI 5239 /  Separation of Tantalum-Columbium by Solvent Extraction, $ 10

RI 5240 / Brecciated Manganese Deposits in Johnson County, Tennessee, $ 15

RI 5245 / Laboratory Concentration of Various Alaska Copper Ores, $ 10

RI 5251 / A Study of the Air and Rock Vibrations produced by Impact Testing of Mine Roof, $ 10

RI 5252 / Preliminary Mineral-Dressing Investigation of East Texas Brown Iron Ores, $ 15

RI 5255 / Utilizing Offgrade Manganese Materials from Montana, $ 15

RI 5262 / A Mineral-Dressing Study of Manganese Deposits of West-Central Arkansas, $ 20

RI 5271 / Chloridization of Maine Manganese Ore: Preliminary Batch-Fluidization Tests on Maple Mountain-Hovey Mountain Samples, $ 30

RI 5280  /  An Investigation of some variables in the treatment of Scheelite with soda ash, $ 6

RI 5281 / Development of a Chloride Volatilization Process for Manganese Ores from Aroostook County, Maine: Progress Report, $ 30

RI 5282 /  A Rapid Method of Fluorometric Determination of Beryllium. $ 5

RI 5289 /  Waterborne Wastes of the Mineral Industries of New England - New York Region, $ 10

RI 5303 / Bulk Sampling by Diamond Drilling, Dudley Manganese Deposit, Northern District, Aroostook County, Maine, $  28

RI 5312 / Beneficiation of Iron-Copper Ores from Kasaan Peninsula, Prince of Wales Island, Alaska, $ 24

RI 5313 / Examination of Copper-Lead-Zinc Deposits, Cabarrus and Union Counties, North Carolina, $ 26

RI 5315 /  Electrorefining Titanium Metal, $ 8

RI 5319 / Pikes Peak Iron Deposits, Maricopa County, Arizona, $ 28

RI 5322 /  Electrowinning Chromium Metal, $ 8

RI 5323 / Percolation Leaching of Manganese Ores with Sulfur Dioxide, $ 13

RI 5324 / Flotation of Iron Sulfides from Zinc Tailings of Southwestern Wisconsin Lead-Zinc District, $ 15

RI 5328 /  A Field Test for Selenium, $ 4

RI 5330 / Pilot-Plant Flotation of Manganese Ore from the Maggie Canyon Deposit, Artillery Mountains Region, Mohave County, Arizona, $ 45

RI 5331 / Physical Properties and Behavior of the Newcastle Oil-Reservoir Sand, Weston County, Wyoming, $ 25

RI 5339 / Progress Report on Pegmatite Investigations in South Dakota for fiscal years 1954-1956, $ 15

RI 5340 /  Heavy-Liquid Techniques for Rapid Evaluation of Sands by Prospectors and Plant Operators, $ 6

RI 5341 / Caustic Leaching of Manganese Floatation Concentrate from Artillery Peak, Arizona, $ 10

RI 5348 /  Roof-Span Studies in Limestone, $ 12

RI 5362 /  Iowa Coals as a Source of Sulfur, $ 12

RI 5366 / Laboratory Investigation of Bauxite Ore from the Quapaw Deposit, Saline County, Arkansas, $ 10

RI 5369  /  Manganese Deposits of Southwestern Oregon, $ 28

RI 5370 /  Metal-Porphyrin Complexes in an Asphaltic Midcontinent Cude Oil, $ 9

RI 5372 / Determination of the Average Effective Valence State of Titanium in Sodium Chloride, $ 5

RI 5381 /  Removing and Recovering Fluorine from Western Phosphate Rock and Utilizing the Defluorinated Rock, $ 10

RI 5392 / Investigation of Manganese Areas, Hammond Plantation and Hodgdon Townships, Southern District, Aroostook County, Maine, $ 36

RI 5400 /  Investigation of Cuyuna Iron-Range Manganese Deposits, Crow Wing County, Minnesota, $ 16

RI 5408 / Strength of Steel Roof Bolts after Repeated Bending, $ 18

RI 5411 / Manganese Resources of the Batesville District, Arkansas, Part 2 of 3, $ 25

RI 5414 / Auxiliary Ventilation of Continuous Miner Places 18

RI 5442 / Acid-Ferrous Sulfate Leaching of Low-Grade Manganese Carbonate and Oxide Ores, Cuyuna Range, Minnesota, $ 16

RI 5446 / Reconnaissance of Nevada Manganese Deposits, $ 25

RI 5462 / Operations of Manganese-Ore-Purchasing Depots at Deming, New Mexico and Wenden, Arizona, $ 20

RI 5472 / Manganese Deposits of Northeastern Oregon, $ 24

RI 5480 / John Burdette Barite - Fluorite Deposit, Garrard County, Kentucky, $ 12

RI 5488 / Sampling East Texas Iron Ores, $ 28

RI 5503 / Application of Electrical-Resistivity Surveys to Exploration for Zinc-Lead Deposits, Racine-Spurgeon Area, Newton County, Missouri, $ 28

RI 5504 / Petrographic Examination and Chemical Analysis for several foreign oil shales, $ 20

RI 5515 / Experimental Electric Furnace Smelting of Siliceous Manganiferous Materials, $ 10

RI 5516 / Tungsten Deposits of Yuma, Maricopa, Pinal, and Graham Counties, Arizona, $ 30

RI 5523 /  Separation of Rare-Earth Elements in Bastinite by ion Exchange, $ 7

RI 5526 /  X-ray Emission Spectrographic Analysis of High-Purity Rare-Earth Oxides, $ 5

RI 5531 /  Extractive Metallurgy of Euxenite, $ 7

RI 5542 / Irreversible Changes in Response of Minerals to Electrostatic Separation after Heating, $ 15

RI 5544 / Extraction of Yttrium and Rare-Earth Elements from Arizona Euxenite Concentration, $ 5

RI 5552 /  Tungsten Resources of Montana: Deposits of the Mount Torrey Batholith, $ 36

RI 5554 /  Electrowinning Tungsten and Associated Molybdenum from Sheelite, $ 7

RI 5555 / Molybdenum Casting Equipment, $ 9

RI 5561 / Geologic Factors Related to Block Caving at San Manuel Copper Mine, Pinal County, Arizona, 2. Progress Report , $ 25

RI 5564 / Beneficiating a Complex Sulfide-Oxide Lead-Zinc Ore from Missouri, $ 8

RI 5566 /  Experimental Treatment of Base-Metal Ores from California and Nevada, $ 8

RI 5576 / Utilization Studies on Chromite from Seiad Creek, California, $ 18

RI 5577 / Examination of Ilmenite Bearing Sands in Otter Creek Valley, Kiowa and Tillman Counties, Oklahoma, $ 20

RI 5611 / Leonardite: A Lignite Byproduct, $ 7

RI 5612 /  Tungsten Resources of Montana: Deposits of the Philipsburg Batholith, $ 38

RI 5646 / Floatation of Pacific Northwest Chromite Ores, $ 11

RI 5647 / Laboratory Beneficiation of East Texas Limonite-Siderite Iron Ores, $ 9

RI 5651 / Barite Deposits of Arizona, $ 35

RI 5669 / Particle Statistics of Infinite Populations as Applied to Mine Sampling, $ 38

RI 5679 / Cebolla Creek Titaniferous Iron Deposits, Gunnison County, Colorado, $ 26

RI 5693 / Fersmite: A Rare Calcium-Columbate Mineral from Montana, $ 5

RI 5712 / Titanium-Bearing Deposits in South Texas, $ 22

RI 5718 /  Three Chemosynthetic Autotrophic Bacteria Important to Leaching Operations at Arizona Copper Mines, $ 7

RI 5728 / Beneficiating Manganese Oxide Ores from the Butte-Philipsburg Federal Stockpile, Montana, $ 30

RI 5731  /  Carbonizing Properties of Wyoming Coals, $ 9

RI 5736 /  Chemical Analysis and Electrical Resistivity of Selected California Oilfield Waters, $ 6

RI 5737 /  Applying Modern Instrumental Techniques to Oilfield Water Analysis, $ 7

RI 5740 / Recovering Cobalt and Nickel from Complex Sulfide Ores of Southeastern Missouri, $ 10

RI 5746 / Determining the In-Place Support of Mine Roof with Rock Bolts, White Pine Copper Mine, Michigan, $ 18

RI 5750 / Beneficiating North Carolina Spodumene-Beryl Ores, $ 15

RI 5751 /  Experimental Treatment of Nevada and California Fluorspar Ores, $ 6

RI 5765 / Selective Floatation of Fine-Grained Lead-Zinc Sulfides from Idaho and Washington, $ 12

RI 5767 /  Flotation of Beryl from North-Eastern Pegmatites: A Progress Report, $ 6

RI 5771 /  Laboratory Concentration of Seven Titanium-Bearing Ores of the Pacific Northwest, $ 6

RI 5772 /  Physical and Mechanical Properties of Sodium-Reduced and Electrorefined Titanium, $ 5

RI 5775 / Electric Smelting of Montana Chromite Concentrates, $ 10

RI 5776 / Electric Smelting Titaniferous Magnetite Ore, Iron Mountain, Wyoming, $ 5

RI 5793  /  Flotation Studies on Copper-Nickel Sulfide Ores from Deposits near Rockport, Maine, $ 10

RI 5802 / Floatation of Unoxidized Manganiferous Material from the Cuyuna Range, Minnesota, $ 8

RI 5808  /  Underground Gasification of Coal: Second Experiment in Preparing a Path Through a Coalbed by Hydraulic Fracturing, $ 5

RI 5809 /  Defluorination of Siliceous Fluorspar at Elevated Temperatures, $ 7

RI 5819 /  Methods of Analyzing Oilfield Waters, $ 10

RI 5820 /  Aluminum Fluoride from Wet Hydrogen Fluoride Offgas, $ 5

RI 5835  /  Statistical Analysis of Sample Data for Estimating Ore, $ 25

RI 5854 / Experimental Tertiary Amine Floatation of Zinc Silicate (Hemimorphite) from Missouri, $ 6

RI 5856 /  Hafnium Content of Domestic and Foreign Zirconium Minerals, $ 16

RI 5862 /  Separation of Tantalum from Columbium by the Hydrofluoric Acid - Sulfuric Acid Isobutyl Ketone System, $ 8

RI 5869 /  Froth Floatation and Chemical Processing of Colorado Ferberite Ores, $ 15

RI 5874 / Disposal of Liquid Waste in the Durango-Type Uranium Milling Flowsheet, $ 12

RI 5875 / Floatation of Bertrandite and Phenacite from Mount Wheeler, Nevada, Beryllium Ore, $ 8

RI 5882 / Seismic Methods of Detecting and Delineating Subsurface Subsidence, $ 12

RI 5887 / Evaluating Cuyuna Manganese Resources by Sulfatizing, $ 15

RI 5889 /  Isolation and Chlorimetric Determination of Rhenium, $ 10

RI 5898 /  Field Test for Columbium, $ 5

RI 5910  / Extraction and Separation of Yttrium and Rare-Earth Elements found in Euxenite, $ 16

RI 5916 /  Recovery of Thorium from Ores in Colorado, Idaho and Montana, $ 28

RI 5917 / Recovery of Thorium from a Wyoming Ore, $ 12

RI 5918 /  Separating Tantalum and Columbium by Solvent Extraction: HF - HCl - Diethyl Ketone System, $ 6

RI 5922 /  Beneficiating and Smelting, Carter Creek, Montana Iron Ore, $ 16

RI 5924 /  Leaching Michigan Copper Ore and Mill Tailings with Acidified Ferric Sulfate, $ 9

RI 5934 / Production of Molybdenum Metal by Magnesium Reduction of Molybdenum Oxides, $ 15

RI 5937 / Preparing Metal-Grade Vanadium Oxide from Red Cake and Mill Solutions, $ 14

RI 5939 Sintering and Smelting Manganese Concentrates from Maggie Canyon Ore, Artillery Mountains Area, Arizona 25

RI 5940 /  Concentration of Pollucite Ores, $ 5

RI 5942 /  Foam Concentration of Scandium, $ 5

RI 5952 / Computing Ore Reserves by the Polygonal Method Using a Medium-Size Digital Computer, $ 15

RI 5955  /  A Study of Copper Reverberatory Slags from White Pine, Michigan, $ 16

RI 5999  /  Changes in Stress Concentration Created by Undercutting in Block Caving, $ 10

RI 6004 / Radioisotopes as Tracers in Volatilization Studies of Selenium and Tellurium, $ 6

RI 6005 / Methods for Determining Microquantities of Impurities in Tungsten, $ 8

RI 6006  /  Field Test for Tellurium & Selenium, $ 8

RI 6019  /  An Experimental Mine Sampling Project Designed for Statistical Analysis, $ 25

RI 6024 / Reconnaissance of Titanium Resources on Ship Island, $ 6

RI 6031  /  DeFluorination of Fluorspar: Preparation of Aluminum Fluoride from Siliceous Fluorspar, $ 8

RI 6032  /  Defluorination of Fluorspar: Pyrohydrolysis at 1500^oC, $ 6

RI 6037 / Studies of Anhydrous Methods for Extracting Beryllium from Low-Grade Ores, $ 8

RI 6043 / Recovery of Mineral Values in Cupriferous and Nickeliferous Pyrrhotite, $ 10

RI 6046 / Differential Sulfatization of a Georgia Manganiferous Iron Ore, $ 5

RI 6047  /  Methods of Analyzing Oilfield Waters: Flame-Spectrophotometric Determination of Potassium, Lithium, Strontium, Barium, and Manganese, $ 7

RI 6056  /  Measuring Changes in Pillar Strain During Pillar Recovery: Experiments in a New Mexico Uranium Mine, $ 10

RI 6065  /  Factors Influencing the Design of Hydraulic Backfill Systems 1. Friction-Head Losses of Sand Slurries During Pipeline Transport, $ 6

RI 6066  /  Factors Influencing the Design of Hydraulic Backfill Systems 2. Friction-Head Losses of Barite and Limestone Slurries During Pipeline Transport, $ 6

RI 6070 / Flotation of Spodumene from Pegmatites of Cleveland County, North Carolina, $ 8

RI 6081 / Lake Superior Iron Resources: Metallurgical Evaluation and Classification of Nonmagnetic Taconite Drill Cores from the West Central Mesabi Range, $ 40

RI 6082 / Flotation of Siegenite in a complex Sulfide table Middling from Southeast Missouri, $ 6

RI 6087  /  Methods of Analyzing Oilfield Waters, $ 7

RI 6103 / Flotation and Sintering Studies on Manganese Ores Stockpiled at Deming, New Mexico, and Wenden, Arizona, $ 10

RI 6104 / Lake Superior Iron Resources: Further Metallurgical Evaluation of Mesabi Range Nonmagnetic Taconites (Redution Roasting and Magnetic Separation), $ 30

RI 6139 / The Combined Effects of Friction and Suspension in Bolting Bedded Mine Roof, $ 15

RI 6141 / Trenching and Sampling of the Rhyolite Mercury Prospect, Kuskokwim River Basin, Alaska, $ 15

RI 6166 / Oxidation of Colorado Oil Shale, $ 15

RI 6176  /  Compating Ore Reserves by the Triangular Method using a Medium-size digital computer, $ 5

RI 6186  /  Recovery of Low-Silica Cryolite from Siliceous Fluoride off-gases, $ 7

RI 6196 / Reservoir oil characteristics, Greater Aneth Area, Utah, $ 30

RI 6208  /  A Mobile Spectroscopic Laboratory for Reconnaissance and Exploration, $ 7

RI 6275  /  The Hydrocyclone in Clay Beneficiation, $ 4

RI 6292  /  A basic computer program for computing Grade and Tonnage of ore using Statistical and Polygonal Methods, $ 5

RI 6299 / Comparison of oil yields from core and drill-cutting sampling of Green River Oil Shales, $ 24

RI 6334 / Tungsten Resources of Wester Montana, Miscellaneous Deposits, $ 30

RI 6365 / Titanium Placer Resources in Western Montana, $30

RI 6380  /  Accuracy in estimating Metal Content and Tonnage of an ore body from Diamond-Drill Hole Data, $ 20

RI 6406  /  .....Estimating Grade or Ore for Bedded Deposits, $ 25

RI 6462  /  The Stress Field Within a Core Stub in a Borehole, $ 5

RI 6468 /  Petrographic Study and Classification of Western Phosphate Ores, $ 22

RI 6491 / Selective Flotation of a Barite-Fluorspar Ore from Tennessee, $ 6

RI 6494 / A Study of the Feasibility of using Nuclear Explosions to increase Petroleum Recovery, $ 10

RI 6508 / Computer Methods of Fitting Surfaces to Assay and Other Data by Regression Analysis, $ 8

RI 6522 / Polynomial Surface Fitting Using Sample Data From an Underground Copper Deposit, $ 8

RI 6524 / Preparation of Aluminum Fluoride from Alumina Hydrate and Dilute Fluoride Solutions, $ 6

RI 6544 / A Device for Placing a Borehole Deformation Gage in a Horizontal Hole, $ 10

RI 6562 / A Proposed Modified Percolation-Rate Test for Use in Physical Property Testing a Mine Backfill, $ 10

RI 6619 / Mechanism of the Monoclinic to Tetragonal Transformation of Zirconium Dioxide, $ 10

RI 6634 / Design of Drill-Hole Grid Spacings for Evaluating Low-Grade Copper Deposits, $ 24

RI 6668 / Floatation of California Mica Ore, $ 6

RI 6704 / Explosive-Expansion Center-Hole Anchor, $ 5

RI 6730 / A Cost Estimate of the Bayer Process for Producing Alumina, $ 7

RI 6744 / Extraction of Alumina by Leaching Melted and Quenched Anorthosite in Sulfuric Acid, $ 5

RI 6747 / In-Situ Measurement of Rock Deformation in a Vein-Type Deep Mine: Instrumentation and Techniques; Analysis of Measurements in the Star Mine, Burke, Idaho, $ 20

RI 6770 / A Streak Camera Method for Measuring Dynamic Equation of State Properties of Rock, $ 1

RI 6776 / Drillability Studies: Impregnated Diamond Bits, $ 10

RI 6778 / Probability Models....Making Decisions During Mineral Deposit Exploration, $ 25

RI 6843 / Presplitting Rock in the Presence of a Static Stress Field, $ 20

RI 6867 /  ...Correlation between assay values and unequal sample intervals, $ 20

RI 6893 / Flexible Liners for Underground Support: Applicability Considerations and Experimental Procedures, $ 25

RI 6897 / Gold Distribution in Diamond-Drill Core from the Homestake Mine, Lead, SD, $ 20

RI 6918 / Evaluation of a Battery-Powered Vehicle, $ 6

RI 6928 / Preliminary Process Development Studies for Desulfating Great Salt Lake Brines and Sea Water, $ 5

RI 6929 / Properties of Vanadium-Base Tungsten and Chromium Alloys, $ 10

RI 6930 / Batch and Continuous-Circuit Benefication of Western Phosphate Ores, $ 4

RI 6933 / Lime Soda Sinter Progress: Correlation of Reaction Products with Extractability of Alumina from Anorthosite, $ 10

RI 6955 / Assigning an area of influence for an assay obtained in mine sampling, $ 25

RI 6966 / Clinton Hematitic Sandstone Deposits, Butt Mountain Area, Giles Co., VA. $ 10

RI 6959 / Bromide and Iodide in Oilfield Brines in some Tertiary and Cretaceous Formations in Mississippi and Alabama, $ 6

RI 7038 / Load-Displacement Measurement in a Backfilled Stope of a Deep Vein Mine, $ 15

RI 7045 / Talc and Asbesos at Dadeville, Alabama, $ 5

RI 7055 / Lightweight Aggregates: Expansion Properties of Selected Michigan Shales, $ 6

RI 7070 / New England Beryllium Investigations, 1968, $ 160

RI 7086 / Oil Yields of Green River Oil Shale from Colorado Corehole No. 1, $ 22

RI 7086 / Properties of Anthracite from the Bottom Ross Bed, $ 10

RI 7114 / Three-Piece Concrete Sets for Small Openings: A Progress Report, $ 5

RI 7119/  Nonpyritic Smelting of Copper Concentrates, $ 5

RI 7148 / Beryllium Resources of Idaho, Washington, Montana, and Oregon, $ 28

RI 7163 / Evaluation of the Explosive-Anchored Rock Bolt, $ 8

RI 7172 / Characteristics of Green River Formation Oil Shales at Bureau of Mines Wyoming Corehole No. 1, $ 36

RI 7173 / A Petrofabric Study of Tectonic And Mining-Induced Deformations in a Deep Mine, $ 10

RI 7177 / A Multistage Probability Model of Sample Reduction in the Mineral Industries, $ 20

RI 7215 / Horizontal Zinc Retorts, $ 40

RI 7228  /  Dispersion-Strengthened Copper: Its Preparation and Properties, $ 10

RI 7249  /  Five-Piece Concrete Sets for Small Mine Openings: A Progress Report, $ 5

RI 7247 / Preparation of Tungsten Carbide by Electrodeposition, $ 14

RI 7250 / Experimental Leaching of Gold from Mine Waste, $ 10

RI 7251 / Recovering Gold from a Graphic Schist from Tallapoosa County, Alabama, $ 14

RI 7262 / Interactions of Titanium and Molybdenum Additions with Interstitial Impurities in Vanadium, $ 15

RI 7274 / Eight-Piece Concrete Sets for Small Mine Openings: A Progress Report, $ 5

RI 7286 / Determination of Dawsonite and Nahcolite in Green River Formation Oil Shales, $ 12

RI 7288 / Chemical Stabilization of the Uranium Tailings at Tuba City, Arizona, $ 15

RI 7298 / Effect of Increasing End Constraint on the Compressive Strength of Model Rock Pillars, $ 8

RI 7300 / Drillability Studies-Laboratory Percussive Drilling, $ 5

RI 7305 / A Systems Approach to Recovering Gold Resources in Jefferson County, Montana, $ 24

RI 7311 / Relative Effects of Grouped Physical Variables on the Revenue-Cost System of a Lead-Zinc Mining Operation, $ 16

RI 7313 / High-Purity Zinc and Tin by Amalgam Electrorefining, $ 11

RI 7314 / Production of Metallic Concentrates from High-Silica Iron Ores, $ 14

RI 7317 / The Electrohydraulic Effect: Potential Application in Rock Fragmentation, $ 26

RI 7327 / Stabilization of Hydraulic Backfill with Portland Cement, $ 5

RI 7329 / Energetics of Percussive Drills - Longitudinal Strain Energy, $ 5

RI 7336 / Solvent Extraction of Nickel and Zinc from a Waste Phosphate Solution, $ 7

RI 7337 / Mine Water Research: Catalytic Oxidation of Ferrous Iron in Acid Mine Water by Activated Carbon, $ 7

RI 7339 / Oxidation Roasting of Chalcocite Concentrate , $10

RI 7344 / Electrolytic Preparation of Tungsten Metal and Tungsten Carbide from Wolframite, $ 9

RI 7357 / Green River Formation Lithology and Oil Shale Correlations in the Piceance Creek Basin, Colorado, $ 75

RI 7375 / Leach-Precipitation-Flotation Studies on Red Bed Copper Ore Using Controlled Atmosphere, $ 15

RI 7402 /  Electrochemical Recovery of High-Purity Nickel and Cobalt from Crude Nickel and Ferronickel, $ 18

RI 7408 / Slagging Fixed-Bed Gasification of North Dakota Lignite at Pressure to 400 RSIG, $ 22

RI 7411 / Magnetic Roasting and Leaching for Upgrading Minnesota Manganiferous Iron Ores, $ 20

RI 7422 / Production Potential of Copper Deposits Associated with Permian Red Bed Formations in Texas, Oklahoma, and Kansas, $10

RI 7445 / Dawsonite and Nahcolite Analyses of Green River Formation Oil Shale Sections, Piceance Creek Basin, Colorado, $ 23

RI 7471 / Processing Manganiferous Sea Nodules, $ 24

RI 7473 / Recovering of Uranium from Natural Mine Waters by Countercurrent Ion Exchange, $ 24

RI 7474 / Recovering Elemental Sulfur from Nonferrous Minerals, Ferric Chloride Leaching of Chalcopyrite Concentrate, $ 18

RI 7475 / Extracting of Copper and Nickel from the Duluth Gabbro Complex by Selective High-Temperature Sulfatization, $ 14

RI 7477 / Determining Seepage Characteristics of Mill-Tailings Dams by the Finite-Element Method, $ 65

RI 7486  /  Statistical Analysis of Assay Data from the Round Mountain Silver Prospect, Custer County, Colorado, $ 18

RI 7492 / Compositional Variations of the Organic Material of Green River Oil Shale – Colorado No. 1 Core, $ 10

RI 7495  /  Statistical Analysis of Gold Assay and other Trace Element Data, $ 12

RI 7497 / Evaluation of Madison Limestones in the Williston Basin from Well Logs and Cores, $ 22

RI 7501 / Autoclave and Ambient Pressure Leaching of Lake Superior Manganiferous Ores, $ 20

RI 7502 / Utilization of Waste Fluosilicic Acid: 1. Laboratory Investigations and 2. Cost Evaluation, $ 30

RI 7508 /  Sampling Gold Ore by Diamond Drilling in the Homestake Mine, Lead, South Dakota, $ 25

RI 7510 / Tritiated Water of a Tracer in the Dump Leaching of Copper $ 28

RI 7512 / Multiple Zone Mining plus Beneficiation of Western Phosphate Rock, A Cost Estimate and Comparison with Selective Mining, $ 16

RI 7516 / Heavy Liquid Concentration of Brucite, $ 20

RI 7517 / Recovery of Heavy minerals from Sand and Gravel Operations in the Southeastern U.S., $ 28

RI 7524 /  Preliminary Survey of Polymer-Impregnated Rock, $ 28

RI 7546 / Field Evaluation of Hydraulic Backfill Compaction at the Lucky Friday Mine, Mullan, Idaho, $ 30

RI 7578 / Rock-Bolt Anchorage in Tertiary Gravel Material: Badger Hill, California, $ 6

RI 7593 / Oil Yields and Characteristics of Green River Formation Oil Shales at WOSCO-EX1, Uintah County, Utah, $ 55

RI 7595 / Computer Analysis of Seismic Refraction Data, $ 25

RI 7597  /  Extraction of Gold from Carbonaceous Ores: Pilot Plant Studies, $ 15

RI 7607 / An Experiment in Seismic Holography, $ 16

RI 7677  /  Sample Preparation Variability in Diamond-Drill Core from the Homestake Mine, Lead, South Dakota, $ 15

RI 7705 / Autogenous Smelting of Copper Sulfide Concentrate, $ 8

RI 7729 / Methods and Evaluation of Explosive Facturing in Oil Shale, $ 20

RI 7730 / Beneficiation of Calico District, California, Silver-Barite Ores, $ 8

RI 7736 /  Extraction of Silver from Refractory Ores, $ 20

RI 7742 / Studies on Recovering Rutile from Titanium-Enriched high iron Smelter Slag, $ 17

RI 7775 / Geology of Eocene Rocks and Oil Yields of Green River Oil Shales on Part of Kinney Rim, Washakie Basin, Wyoming, $ 8

RI 7783 / In Situ Retorting of Oil Shale, Results of two field experiments, $ 30

RI 7792  /  Structural Design Data for Concrete Drift Linings in Block Caving Stopes, $ 25

RI 7801 / Reactions of Copper Sulphide Minerals with Chloride in an Aqueous System, $ 15

RI 7827  /  Distribution of Sulfur and Ash in Part of the Pittsburgh Seam and Probable Model of Deposition, $ 10

RI 7828 / Design of an Underground Mine Layout, $ 40

RI 7842  /  Forecasts of Chemical, Physical, and Utilization Properties of Coal...., $ 7

RI 7861 / Atomic Absorption Methods of Analysis of Oilfield Brines: Barium, Calcium, Copper, Iron, Lead, Lithium, Magnesium, Manganese, Potassium, Sodium, Strontium and Zinc, $ 15

RI 7894  /  Improvements in the Three-Component Borehole Deformation Gage and Overcoring Techniques, $ 7

RI 7896 / Methods and Costs for Stablizing Fine-sized Mineral Wastes, $ 14

RI 7913  /  Recovery of Lead From Galena by a Leach Electrolysis Procedure, $ 13

RI 7935 / Drilling and Sampling Tertiary Gold-Bearing Gravels at Badger Hill, Nevada County, California, $ 12

RI 7953 / Aqueous Reduction of Chalcopyrite Concentrate with Metals, $ 14

RI 7957 / Cost of Producing Copper from Chalcopyrite Concentrate as related to SO2 Emission Abatement, An Evaluation of five Smelting Procedures, $ 36

RI 7959 / Waterflooding of Oilfields in Colorado, $ 45

RI 7990  /  Recovery and Separation of Rare-Earth Elements, Barium, and Strontium from Bastnäsite with Sulfuric Acid, $ 12

RI 7996  /  Double Roast-Leach-Electrowinning Process for Chalcopyrite Concentrates, $ 18

RI 8001  /  Engineering Properties of Fiber-Reinforced and Polymer-Impregnated Shotcrete, $10

RI 8003 /  Properties of Utah Tar Sands - South Seep Ridge Aree, P. R. Spring Deposit, $ 8

RI 8008 /  Determination of Carbonate Minerals of Green River Formation Oil Shales, Piceance Creek Basin, Colorado, $ 16

RI 8011 / Producing SNG by hydrogasification in situ Crude Oil Shale, $ 22

RI 8012  /  Prompt Copper Recovery from Mine Strip Waste, $ 10

RI 8022 / Geologic Investigations of Underground Coal Mining Problems, $ 20

RI 8025 / Commercial-Quality Gas from a Multipurpose Borehole Located in the Pittsburgh Coalbed, $ 10

RI 8026 / Methane in the Pittsburgh Coalbed, Greene County, Pennsylvania, $ 14

RI 8027 /  Recovery of Nickel and Cobalt from Low-Grade Domestic Laterites, $ 8

RI 8030 /  Properties of Utah Tar Sands - Asphalt Wash Area, P. R. Spring Deposit, $ 12

RI 8047 / Hydraulic stimulation increases degasification rate of coalbeds, $ 15

RI 8066 / Two-Phase Flow in Coalbeds, $ 16

RI 8070  /  Blasting Tests in a Porphyry Copper Deposits in Preparation for In Situ Extraction, $ 15

RI 8095 / Cutting Experiments Using a Rotating Water Jet in a Borehole, $ 10

RI 8116  / Determining Cleat Orientation of Deeper Coalbeds from Overlaying Coals, $ 5

RI 8117 / Methane gas content of the Mary Lee Group of Coalbeds, Jefferson, Tuscaloosa, and Walker Counties, Alabama, $ 11

RI 8118  /  Sulfur Reduction Potential of the Coals of the U.S., $ 15

RI 8128  /  A Method for Computing Stabilization Pressures for Excavations in Incompetent Rock with Computer User Information, $ 5

RI 8129 /  Termodynamic Data for Synthetic Dawsonite, $ 6

RI 8131 /  Production of Blister Copper by Electric Furnace Smelting of Dead-Burned copper sulfide Concentrations, $ 8

RI 8144 /  Smelting of Arseniferous Copper Concentrate in an Electric-Arc Furnace, $ 8

RI 8186  /  Influence of Surface-Active Chemicals on Drilling and Fracturing Rock, $ 6

RI 8189 / Geology of the Mary Lee Group of Coal Beds, Black Warrior Coal Basin, Alabama, $ 18

RI 8205 /  Fluorine Recovery from Phosphate Rock Concentrates, $ 10

RI 8209 / Electric Furnace Steelmaking Dusts - A Zinc Raw Material, $ 8

RI 8216  /  Physical Properties of Western Coal Waste Materials, $ 5

RI 8228 / Hydraulic Stimulation of a surface borehole for Gob Degasification, $ 13

RI 8234 / Beneficiation of Coal by Selective Flocculation, A Laboratory Study, $ 10

RI 8043 /  Measuring the Methane Content of Bitumous Coalbeds, $ 20

RI 8247  /  Geology and Gas Content of Coalbeds in Vivinity of USBM, Bruceton, PA, $ 10

RI 8261 /  Factors Affecting Fabricability of Electrowon Copper, $ 14

RI 8268   /  Carbon-in-Pulp Silver Adsorption from Cyanide Leach Slurries of a Silver Ore, $ 10

RI 8276 /  Aqueous Electrolysis of Lead Chloride, $ 8

RI 8315 /  Tungsten Recovery From Searless Lake Brines, $ 10

RI 8342  /  CO₂-Absorption Characteristics of Mine Rescue Breathing Apparatus, $ 5

RI 8346  /  Development of Specialized Sulfur Concretes, $ 10

RI 8350 / Corrosion Studies in Brines of the Salton Sea Geothermal Field, $ 20

RI 8354 / Geology of the Lower Kittanning Coalbed and related mining and methane emission problems in Cambria County, Pennsylvania, $ 22

RI 8366 /  Recovering Byproduct Heavy Minerals from Sand and Gravel, Placer Gold, and Industrial Mineral Operations, $ 10

RI 8368  /  Carbon-in-Pulp Gold Adsorption from Cyanide Leach Slurries, $ 6

RI 8402 / Geology of the Single-Entry Project at Sunnyside Coal Mines 1 and 2, Sunnyside, Utah, $ 28

RI 8406 / Geology, Mining, and Methane Content of the Freeport and Kittanning Coalbeds in Indiana and Surrounding Counties, Pennsylvania, $ 24

RI 8410  /  Thermodynamic Properties of Potassium Metasilicate and Disilicate, $ 6

RI 8421 / Evaluating Clay Resources from Clay County, Georgia, for Structural Clay Products, $ 11

RI 8428 /  Recovery of Silver from Chloride Leach Solutions by Iodide Precipitation, $ 6

RI 8443 / Shape-Casting Titanium in Olivine, Garnet, Chromite, and Zircon Rammed And Shell Molds, $ 15

RI 8444 /  Helium - Its Relationship to Geologic Systems and its Occurrence with the Natural Gases, Nitrogen, Carbon Dioxide, and Argon, $ 15

RI 8453 /  Documentation and Analysis of a Massive Rock Failure at the Bautsch Mine, Galena, Illinois, $ 10

RI 8458 /  Recovery of Gold from Arsenopyrite Concentrates by Cyanidation-Carbon Adsorption, $ 15

RI 8462 / Recovery of Rutile from a Porphyry Copper Tailings Sample, $ 15

RI 8465 /  Well Engineering and Sampling Variables in the Evaluation of Geobrines, $ 12

RI 8474 / Spontaneous Combustion Susceptibility of U.S. Coals, $ 24

RI 8502 / Amine Flotation of Chromite Ores from the Stillwater Complex, Montana, $ 30

RI 8507 / Structure Response and Damage produced by ground vibration from Surface Mine Blasting, $ 30

RI 8511 /  Electric-Arc Furnace Processing of Domestic Titaniferous Materials, $ 15

RI 8515 / Direct Method Determination of the Gas Content of Coal: Procedures and Results, $ 20

RI 8553 / Beneficiation of Potential Platinum Resources from SE Alaska, $ 7

RI 8558 / Evaluattion of Synthetic Fluorspar in BOF Slags, $ 12

RI 8563 / Recovery of Byproduct Heavy Minerals from Sand and Gravel Operations in Oregon and Washington, $ 6

RI 8566 /  An Algorithm for Determining Bebye Temperatures, $ 4

RI 8576 /  Fluorine and Uranium in Phosphate Rock Processing and Waste Materials, $ 7

RI 8594 / Electromagnetic Radiation from Rock Failure, $ 16

RI 8599 /  Guidelines for Selecting Seismic Detectors for High-Resolution Applications, $ 7

RI 8601 /  Crushing Techniques for Pneumatic Concentration of Mica, $ 14

RI 8612 / Improvements in Heap Leaching to Recover Silver and Gold from Low-Grade Reserves, $ 45

RI 8646 / Separation of Copper-Nickel Mattes from Duluth Gabbro Concentrates by Floatation and Magnetic Methods, $ 20

RI 8649 / Silver Recovery from Cyanide Tailings Using an Acidic NaCl-FeCl₂ Leachant, $ 40

RI 8656  /  Electrochemical Studies of Platinum-Group Metals in Molten Alkali Metal Cyanides, $ 8

RI 8699 / An Evaluation of Used Aluminum Smelter Potlining as a Substitute for Fluorspar in Basic Oxygen Steelmaking, $ 21

RI 8706 / The solubility of methane, carbon dioxide, and oxygen in brines from 0^o to 300^o C, $ 10

RI 8717 / Recovery of Platinum-Group Metals from Stillwater Complex, Montana, Floatation Concentrates by Matte Smelting and Leaching, $ 25

RI 8734 / Stripping SO2-Loaded Citrate Solutions with Pressurized Steam, $ 8

RI 8759 /  Alumina Miniplant Operations – Overall Mass Balance for Clay-HCl Acid Leaching, $ 7

RI 8861 / Assessment of Methane Hazards in an anomalous zone of a Gulf Coast Salt Dome, $ 20

RI 8889 / Methane Content of Gulf Coast Domal Rock Salt, $ 10

RI 8922 / Recovering zinc-lead sulphide from a Geothermal Brine, $ 4

RI 8940 / Hydrometallurgical Treatment of Electronic Scrap to Recover Gold and Silver, $ 20

RI 8942 /  Application of Cast-On Ferrochrome-Based Hard Surfacings to Polystyrene Pattern Castings, $ 5

RI 8943 / Strengthening Low-Alloy Magnesium Sheet by Strain Softening and Annealing, $ 15

RI 8944 / Flocculation of Metal Oxide and Hydroxide Minerals with Cross-Linked Starches Containing Chelating Groups, $ 16

RI 8945 / Determination of Tungsten and Associated Elements in Natural Brines and Related Process Solutions by Inductively Coupled Plasma Spectrometry, $ 10

RI 8948 / Analysis of Sampling Variance from Certain Platinum and Palladium Deposits in Alaska, $ 9

RI 8953 / Removal of Magnesia from Dolomitic Southern Florida Phosphate Concentrates by Aqueous SO2 Leaching, $ 16

RI 8964 / Influence on an Organic Polymer in Ball-Mill Grinding of Quartz Dolomite, and Copper Ore, $ 20

RI 8965 / Influence of Chelating Reagents on Leaching of Copper Ore, $ 8

RI 8966 / Using Solvent-Impregnated Carbon to Recover Copper from Oxidized Mill Tailings, $ 20

RI 8967 / Recovery of Lithium from a Montmorillonite-Type Clay, $ 16

RI 8973 / Electrochemical Determination of Thermodynamic Properties of MnF₂ and CoF₂, $ 5

RI 8983 /  Conical Bit Rotation as a Function of Selected Cutting Parameters, $ 9

RI 8985 / Methane Control on Longwalls with cross-measure boreholes (lower Kittanning Coalbed), $ 15

RI 8991 /  Solubilities of Chloride Salts of Alkali and Alkaline-Earth Metals when Sparged with Hydrogen Chloride, $ 8

RI 8994 / Thermodynamic Properties of CoS_0.89, CoS_1.33, and CoS₂, $ 8

RI 8995 / Recovery of Metal Values from Copper Converter Flue Dust, $ 12

RI 8997 / Utilization of Simulated Coal Gases for Reducing Iron Oxide Pellets, $ 8

RI 8999  Hydrochloric Acid-Oxygen Leaching and Metal Recovery from a Copper-Nickel Bulk Sulfide Concentrate, $ 12

RI 9002 /  Producing Chlorination-Grade Feedstock from Domestic Ilmenite - Laboratory and Pilot Plant Studies, $ 13

RI 9007 / Investigation of similarities between methane drainage potential of Utah’s Sunnyside Coalbed vs. Eastern U.S. Coalbeds, $ 12

RI 9028 / Recovery of Fluorite and Byproducts from Fish Creek Deposit, Eureka County, Nevada, $ 7

RI 9039 /  High-Temperature Relative Enthalpies of V₂O_{5, $ 7}

RI 9042  /  Calcium Sulfide Precipitation of Mercury from Gold-Silver Cyanide-Leach Slurries, $ 15

RI 9045 /  Water-Jet-Assisted Cutting, $ 28

RI 9055 /  Hydrometallurgical Process for Producing Lead and Elemental Sulfur from Galena Concentrates, $ 12

RI 9064 /  Thermodynamic Properties of Two Manganese Silicates, Pyroxmagnite and Folwlerite, $ 16

RI 9065  /  Preparation of Titanium Feedstock from Minnesota Ilmenite by Smelting and Sulfation-Leaching, $ 15

RI 9068 /  Damping Properties of Selected Steels and Cast Irons, $ 15

RI 9070 /  Fine Grinding of Coal by the Turbomilling Process, $ 5

RI 9071 / Capability Evaluation of the Radial-Axial Splitter, $ 17

RI 9074 /  High-Temperature Relative Enthalpies and Related Thermodynamic Properties of Cuprous Iodide, $ 11

RI 9075 /  Arch Canopy Design Procedure for Rehabilitation of High-Roof-Fall Areas, $ 30

RI 9081 /  Assessment of Longwall Roof Behavior and Support Loading by Linear Elastic Modeling of the Support Structure, $ 7

RI 9083 / Effects of Stimulation Treatments on Coalbeds and Surrounding Strata, Evidence from Underground Observations, $ 24

RI 9084 / Recovery of Cobalt from Spent Copper Leach Solution Using Continuous Ion Exchange, $ 6

RI 9091 /  Three-Dimensional Shield Mechanics, $ 8

RI 9094 /  Leaching of Phosphate Values from Two Central Florida Ores using H₂SO₄-Methanol Mixtures, $ 6

RI 9097 /  Effects of Turbomilling Parameters on the Comminution of a-SiC, $ 6

RI 9098 /  Shield-Loading Studies at an Eastern Appalachian Minesite, $ 16

RI 9099 /  Floatation of Silicon Carbide from Waste Sludges, $ 6

RI 9100 /  Solubilities of Sideronatrite and Ferrinatrite in the System of Na₂So₄-Fe₂O₃-H₂SO₄-H₂0, $ 8

RI 9101  /  Borehole (Slurry) Mining of Coal, Uraniferous Sandstone, Oil Sands, and Phosphate Ore, $ 28

RI 9102 /  Accurate Directional Borehole Drilling: A Case Study at Navajo Dam, New Mexico, $ 18

RI 9103 /  Zeta Potential Control for Simultaneous Enhancement of Penetration Rates and Bit Life in Rock Drilling, $ 12

RI 9106 /  An Investigation of Crack Propagation with a Wedge Indenter to Improve Rock Fragmentation Efficiency, $ 10

RI 9108 /  Field Management of Rock Displacement During Sinking of a Deep Rectangular Shaft, $ 18

RI 9109 /  Mechanical Behavior of Coal Measure Rocks: Elastic-Inelastic Behavior, $ 16

RI 9110 /  Recovery of Phosphate from Florida Phosphate Slimes, $ 5

RI 9111 / The Effect of Different natural Flake Graphite Additions on the High-Temperature Properties of a Dolomite-Carbon Refractory, $ 6

RI 9115 /  Effects of Composition and Processing Variable on Transverse Rupture Strength and Hardness of Nickel-Alloy-Bonded Titanium Carbide, $ 10

RI 9116 /  Sampling, Characterization, and Evaluation of Midwest Clays for Iron Ore Pellet Bonding, $ 7

RI 9117  /  Analysis of Cutter Roof Failure Induced by Clastic Dikes in an Underground Coal Mine, $ 14

RI 9118 /  Analysis of the Oxidation of Chalcopyrite, Chalcocite, Galena, Pyrrhotite, Marcasite, and Arsenopyrite, $ 7

RI 9119  /  Pioneering Studies on the Flotation of Corundum from a Montana Gneiss, $ 5

RI 9120  /  Numerical Prediction of Cobalt Sorption in a Continuous Ion-Exchange Column, $ 15

RI 9121 /  Column Length Criteria for Resin Bolting in Evaporites, $ 14

RI 9122 /  Silver-Catalyzed Oxidative Leaching of an Arsenical Copper Sulfide Concentrate, $ 12

RI 9126  /  Dual Leaching Method for Recovering Silver and Manganese from Domestic Manganiferous Silver Deposits, $ 6

RI 9127  /  In Situ Comparison of Radial and Point-Attack Bits, $ 7

RI 9128 /  Physical Properties and Mechanical Cutting Characteristics of Cobalt-Rich Manganese Crusts, $ 29

RI 9130 /   Ultilization of Scrap Preheating and Substitute Slag Conditioners for Electric Arc Furnace Steelmaking, $ 26

RI 9131  /  Time Dependent Behavior of Coal Measure Rocks: Adsorption Rate and Strength Degradation, $ 11

RI 9133 /  Coreduction of TiCl₄. AlCl₃, and VCl₄ to Produce Titanium Alloy Sponge, $ 15

RI 9138 /  Recovery of Cobalt and Copper from Complex Sulfide Concentrations, $ 16

RI 9140 /  Recovery of Mercury from Concentrates by Cupric Chloride Leaching and Aqueous Electrolysis, $ 12

RI 9142 /  Prediction of Surface Deformations over Longwall Panels in the Northern Appalachian Coalfield, $ 8

RI 9144 /  Rigid-Body and Elastic Solutions to Shield Mechanics, $ 7

RI 9146 /  Analytical Methods for Determining Products from Thermal Decomposition of Aluminum Nitrate Nonahydrate, $ 6

RI 9149 / In Situ Horizontal Stress Determination in the Yampa Coalfield, Northwestern Colorado, $ 22

RI 9151 /  Cost Comparison of Gob Hole and Cross-Measure Borehole Systems to control Methane in Gobs, $ 15

RI 9152 /  Laboratory Assessment of Alternative Longwall Stabilization Materials, $ 15

RI 9156 /  Solubilities of Bromide Salts of Aluminum, Cobalt, Lead, Manganese, Potassium, and Sodium when sparged with Hyrogen Bromide, $ 14

RI 9157 /  Permeability and Corrosion Resistance of Reinforced Sulfur Concrete, $ 10

RI 9172 /  Computer-Assisted Mine Design Procedures for Longwall Mining, $ 16

RI 9211  /  Vacuum Induction Melting of Ti₆Al₄V in a Cold Crucible, 5

RI 9214 / Comparison of Aerial and Ground Surveying of Subsidence over an active longwall, $ 18

RI 9251  /  Tungsten and Gold Recovery from Alaskan Scheelite - Bearing Ores, $ 20

RI 9340 / Biosorption of Metal Contaminants using immobilized biomass - a laboratory study, $ 6

RI 9343 / Leaching Sulfidation Partitioned Chalacopyrite to Selectively Recover Copper, $ 24

RI 9324 / Delineation of Fractures in Igneous Rock Masses using common offset radar reflection, $ 7

RI 9446   /  In Situ Stress Measurements Near the Ross Shaft Pillar, Homestake Mine, South Dakota, $ 12

RI 9448 / Seismicity & Stress changes subsequent to destress blasting at the Galena Mine and implications for stress control strategies, $ 20

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