M 2 / Ruedemann, R. / PALEOZOIC PLANKTON OF NORTH AMERICA, New York, 1934, cl, 141 pages, 26 plates, 6 figs., used, $ 10

M 5 / Balk, R. / STRUCTURAL BEHAVIOR OF IGNEOUS ROCKS, Boulder, various reprint dates from 1937 to 1977, cl, 177 pages, used, $ 10

M 15 / Kerr, P. F. / TUNGSTEN MINERALIZATION IN THE UNITED STATES, GSA M 15, Baltimore, 1946, cl, 241 pages, used, $ 10

M 19 / Ruedemann, R. / GRAPTOLITES OF NORTH AMERICA, Baltimore, 1947, cl, 652 pages, 92 plates, used, $ 10

M 23 / Miller, A. K. / TERTIARY NAUTILOIDS OF THE AMERICAS, Baltimore, 1947, cl, 234 pages, 100 plates, 30 figs., 1 table, used, $ 10

M 29 / Larsen, E. S., Jr. / BATHOLITH AND ASSOCIATED ROCKS OF CORONA, ELSINOIRE, AND SAN LUIS REY QUADRANGLES, Baltimore, 1948, cl, 182 pages, used, this is a photocopy version bound in cloth, $ 15

M 30 / Turner, F. J. / MINERALOGICAL AND STRUCTURAL EVOLUTION OF THE METAMORPHIC ROCKS, New York, 1949, cl, 342 pages, used, $ 10; also available, new, $ 20

M 38 / Pike, W. S., Jr. / INTERTONGUING MARINE AND NONMARINE UPPER CRETACEOUS DEPOSITS OF NEW MEXICO, ARIZONA, AND SOUTHWESTERN COLORADO, Baltimore, 1947, cl, 103 pages, 12 plates (1 plate in pocket), 7 figs., used, $ 10

M 39 / Longwell, C. R, / SEDIMENTARY FACIES IN GEOLOGIC HISTORY, New York, 1952, cl, 171 pages, used, $ 10

M 40 / Stumm, E. C. / REVISION OF THE FAMILIES AND GENERA OF THE DEVONIAN TETRACORALS, New York, 1949, cl, 92 pages, GSA M 40, used, $ 10; also avbailable, new, $ 15

M 41 / Miller, A. K. and Youngquist, W. / AMERICAN PERMIAN NAUTILOIDS, New York, 1949, cl, 218 pages, 59 plates, 39 figs., used, $ 10

M 42 / Wang, Y. / MAQUODETA BRACHIOPODA OF IOWA, New York, 1949, cl, 55 pages, used, $ 10; also available, new, $ 15

M 44 / Bassler, R. S. / FAUNAL LISTS AND DESCRIPTIONS OF PALEOZOIC CORALS, New York, 1950, cl, 315 pages, used, $ 10

M 45 / Bastin, E. S. / INTERPRETATION OF ORE TEXTURES, New York, 1960, cl, 101 pages, used, $ 10

M 46 / Phleger, F. B. and Parker, F. L. / ECOLOGY OF FORAMINIFERA, NORTHWEST GULF OF MEXICO, PART 1. FORAMINIFERA DISTRIBUTION, AND PART 2. FORAMINIFERA SPECIES, New York, 1951, cl, 64 pages, 2 plates, 33 figs., 37 tables, new, $ 10

M 48 / Kay, M. / NORTH AMERICAN GEOSYNCLINES, New York, reprint of 1950 original, cl, 143 pages, - 3 -, $ 10

M 50 / Goldman, M. I. / DEFORMATION, METAMORPHISM, AND MINERALIZATION IN GYPSUM-ANHYDRITE CAP ROCK, SULPHUR SALT DOME, LOUISIANA, New York, 1952, cl, 196 pages, used, $ 25

M 52 / Emmons, R. C., et.al. / SELECTED PETROGENIC RELATIONSHIPS OF PLAGIOCLASE, Baltimore, 1953, cl, 142 pages, used, $ 10

M 53 / Petrunkevitch, A. / PALEOZOIC AND MESOZOIC ARACHNIDA OF EUROPE, New York, 1953, cl, 128 pages, used, $ 10

M 54 / LeRoy, L. W. / BIOSTRATIGRAPHY OF THE MAQFI SECTION, EGYPT, Baltimore, 1953, cl, 70 pages, 13 plates, 1 biostratigraphy plate, used, $ 10

M 55 / Cooper, B. N. / TRILOBITES FROM THE LOWER CHAMPLAINIAN FORMATIONS OF THE APPALACHIAN VALLEY, New York, 1953, cl, 69 pages, used, $ 10

M 56 / Williams, A. / NORTH AMERICAN AND EUROPEAN STROPEODONTIDS: THEIR MORPHOLOGY AND SYSTEMATICS, Baltimore, 1953, cl, 67 pages, used, $ 10

M 59 / Whittington, H. B. and Evitt, W. R. II / SILICIFIED MIDDLE ORDOVICIAN TRILOBITES, New York, 1954, cl, 137 pages, used, $ 35; also available, new, $ 45

M 60 / Donnay, J. D. H. And Nowacki, W. / CRYSTAL DATA: CLASSIFICATION OF SUBSTANCES BY SPACE GROUPS AND THEIR IDENTIFICATION FROM CELL DIMENSIONS, New York, 1954, cl, 719 pages, - 2 -, $ 55

M 62 / Miller, A. K., et.al. / ORDOVICIAN CEPHALOPOD FAUNA OF BAFFIN ISLAND, New York, cl, 234 pages, 63 plates, used, $ 10

M 67  / Ladd, H. S., Ed. / TREATISE ON MARINE ECOLOGY AND PALEOECOLOGY, Volume 2- Paleoecology, Baltimore, 1957, 1077 pages, new, $ 20, used, $ 10

M 68 / Sando, W. J. / BEEKMANTOWN GROUP (LOWER ORDOVICIAN) OF MARYLAND, New York, 1957, cl, 161 pages, 20 figs., 15 plates (5 in pocket), 3 tables, used, $ 10; also available, new, $ 15

M 70 / Elias, M. K. and Condra, G. E. / FENESTELLA FROM THE PERMIAN OF WEST TEXAS, Baltimore, 1957, cl, 158 pages, new, $ 10

M 71 / Anderson, R. Y. and Kirkland, D. W. / PALEOEOLOGY OF AN EARLY PLEISTOCENE LAKE OF THE HIGH PLAINS OF TEXAS, Boulder, 1969, cl, 215 pages, used, $ 20

M 73 / Fyfe, W. S., Turner, F. J., and Verhoogen, J. / METAMORPHIC REACTIONS AND METAMORPHIC FACIES, Boulder, 1958, 259 pages, used, $ 10

M 74 / Tuttle, O. F. and Bowen, N. L. / ORIGIN OF GRANITE IN THE LIGHT OF EXPERIMENTAL STUDIES IN THE SYSTEM NaAlSi3O8-KAlSi3O8-SiO2-H2O, Baltimore, 153 pages, used, $ 10

M 76 / Van Winkle, P. K. / TYPE SPECIMENTS OF MARINE MOLLUSCA DESCRIBED BY P. P. CARPENTER FROM THE WEST COAST (SAN DIEGO TO BRITISH COLUMBIA), New York, 1958, 376 pages, 35 plates, used, $ 10

M 77 / Wisser, E. / RELATION OF ORE DEPOSITION TO DOMING IN THE NORTH AMERICAN CORDILLERA, New York, 1960, cl, GSA Memoir 77, 117 pages, used, $ 10

M 78 / LaRocque, A. / MOLLUSCAN FAUNAS OF THE FLAGSTAFF FORMATION OF CENTRAL UTAH, New York, 1960, cl, 100 pages, 4 plates, 2 figs., 3 tables, used, $ 10

M 79 / Griggs, D. and Handin, J., Ed. / ROCK DEFORMATION, Baltimore, 1960, cl, 382 pages, used $ 20 [Studying rock stress and deformation with rotation, pressure changes, temperature changes, more...]

M 81 / Muir-Wood, H. and Cooper, G. A. / MORPHOLOGY, CLASSIFICATION AND LIFE HABITS OF THE PRODUCTOIDEA (BRACHIOPODA), Baltimore, 1960, cl, 593 pages, 135 plates, 8 figs., used, $ 10

M 83 / Perkins, B. F. / BIOSTRATIGRAPHIC STUDIES IN THE COMANCHE (CRETACEOUS) SERIES OF NORTHERN MEXICO AND TEXAS, New York, 1960, cl, 138 pages, 34 plates, 26 figs., used, $ 10

M 86 / Kraft, J. C. / MORPHOLOGIC AND SYSTEMATIC RELATIONSHIPS OF SOME MIDDLE ORDOVICIAN OSTRACODA, New York, 1962, cl, 112 pages, 19 plates, 15 figs., used, $ 10

M 88 / Ross, C. A. / STANDARD WOLFCAMPIAN SERIES (PERMIAN), GLASS MOUNTAINS, TEXAS, Baltimore, 1963, cl, 205 pages, 29 plates, 11 figs., 4 tables, new, $ 10

M 89 / Winters, S. S. / SUPAI FORMATION (PERMIAN) OF EASTERN NORTH AMERICA, New York, 1963, cl, 99 pages, 8 figs., 9 plates, 3 tables, used, $ 10

M 90 / Nelson, S. J. / ORDOVICIAN PALEONTOLOGY OF THE NORTHERN HUDSON BAY LOWLAND, New York, 1963, cl, 152 pages, used, $ 10

M 93 / Stumm, E. C. / SILURIAN AND DEVONIAN CORALS OF THE FALLS OF THE OHIO, New York, 1964, cl, 184 pages, 80 plates, used, $ 15

M 111 / Pessagno, E. A., Jr. / UPPER CRETACEOUS STRATIGRAPHY OF THE WESTERN GULF COAST AREA OF MEXICO, TEXAS, AND ARKANSAS, Boulder, 1969, cl, 139 pages, 60 plates (in pocket), used, $ 10

M 113 / Anderson, R. Y. and Kirkland, D. W. / PALEOEOLOGY OF AN EARLY PLEISTOCENE LAKE OF THE HIGH PLAINS OF TEXAS, Boulder, 1969, cl, 215 pages, used, $ 20

M 115 / Larsen, L. H., Ed. / IGNEOUS AND METAMORPHIC GEOLOGY, Boulder, 1969, cl, 561 pages, used, $ 20

M 116 / Coats, R. R., et.al. / STUDIES IN VOLCANISM, A MEMOIR IN HONOR OF HOWEL WILLIAMS, Boulder, 1968, cl, 678 pages, new, $ 20 [Contents cover the Bodie Hills, California; Hot Creek Range, Nevada; Boulder Batholith, Montana, much more]

M 125 / Stanley, S. M. / RELATION OF SHELL FORM TO LIFE HABITS OF THE BIVALVIA (MOLLUSCA), Boulder, 1970, cl, 296 pages, used, $ 40

 M 126 / Hays, J. D., Ed. / GEOLOGICAL INVESTIGATIONS OF THE NORTH PACIFIC, Boulder, 1970, cl, 323 pages, used, $ 20

M 135 / Doe, B. R. and Smith, D. K. / STUDIES IN MINERALOGY AND PRECAMBRIAN GEOLOGY, A volume written in honor of J. W. Gruner, Boulder, 1972, cl, 348 pages, - 2 - or - 3 -, $ 30

M 136 /  Black, R. F., et.al. / THE WISCONSINAN STAGE, Boulder, 1973, cl, 334 pages, $ 10

M 144 / Curtis, B. F., Ed. / CENOZOIC HISTORY OF THE SOUTHERN ROCKY MOUNTAINS, Boulder, 1975, cl, 279 pages, used, $ 10; also available, new $ 20

M 145 / Cline, R. M. and Hays, J. O., Ed. / INVESTIGATION OF LATE QUATERNARY PALEOCEANOGRAPHY AND PALEOCLIMATOLOGY, Boulder, 1976, cl, 464 pages, 1 plate of 3 figs. (in pocket), numerous appendices on 3 mf (in pocket), used, $ 10; also available, new, $ 20

M 152 / Smith, R. B. and Eaton, G. P., Ed. / CENOZOIC TECTONICS AND REGIONAL GEOPHYSICS OF THE WESTERN CORDILLERA, Boulder, 1978, cl, 388 pages, 9 plates in slipcase, used, $ 10; also available, new, $ 20

M 153 / Crittenden, M.D., Jr. and Coney, P. J., Ed. / CORDILLERAN METAMORPHIC CORE COMPLEXES, Boulder, 1986, cl, 490 pages, used, $ 10; another copy, new, $ 20

M 154 / Kulm, L. D., et. al., Ed. / NAZCA PLATE: Crustal Formation and Andean Convergence, New York, 1981, cl, 824 pages, used, $ 20; also available, new, $ 30

M 157 / Miller, D. M., Todd, V. R., and Howard, K. A. / TECTONIC AND STRATIGRAPHIC STUDIES IN THE EASTERN GREAT BASIN, Boulder, 1983, cl, 327 pages, new, $ 25

M 158 / Hatcher, R. D., Jr., Williams, H. and Zietz, I., Eds. / CONTRIBUTIONS TO THE TECTONICS AND GEOPHYSICS OF MOUNTAIN CHAINS, Boulder, 1983, cl, 223 pages, used, $ 20; also available, new, $ 25

M 160 / Medaris, L. G., et.al. / EARLY PROTEROZOIC GEOLOGY OF THE GREAT LAKES REGIONS, Boulder, 1983, cl, 141 pages, new, $ 20

M 163 / Kennett, J. P., Ed. / THE MIOCENE OCEAN: Paleoceanography and Biogeography, Boulder, 1985, cl, 337 pages, 53 tables, 215 figs., 4 plates (1 in pocket), 18 appendices on 3 mf (in pocket), new, $ 20

M 172 / Pakiser, L. C. and Mooney, W. D. / GEOPHYSICAL FRAMEWORK OF THE CONTINENTAL UNITED STATES, Boulder, 1989, cl, 826 pages, new, $ 30

M 179 / Link, P. K., Kuntz, M. A., Platt, L. B. / REGIONAL GEOLOGY OF EASTERN IDAHO AND WESTERN WYOMING, Boulder, 1992, cl, 312 pages, new, $ 40

M 184 / Veevers, J. J. and Powell, C. McA., Ed. / PERMIAN-TRIASSIC PANGEAN BASINS AND FOLDBELTS ALONG THE PANTHALASSAN MARGIN OF GONDWANALAND, Boulder, 1994, cl, 368 pages, used, $ 20

M 187 / Veevers, J. J. and Tewari, R. C. / GONDWANA MASTER BASIN OF PENINSULAR INDIA: BETWEEN TETHYS AND THE INTERIOR OF THE GONDWANALAND PROVINCE OF PANGEA, Boulder, 1995, cl, 72 pages, new, $ 10

M 189 / Meyerhoff, A. A., et.al. / PHANEROZOIC FAUNAL AND FLORAL REALMS OF THE EARTH: THE INTERCALARY RELATIONS OF THE MALVINOKAFFRIC AND GONDWANA FAUNAL REALMS WITH THE TETHYAN FAUNAL REALM, GSA M 189, Boulder, 1996, cl, 69 pages, - 1 -, $ 20

M 191 / Sinha, A. K., Whalen, J. B., and Hogan, J. P. / THE NATURE OF MAGMATISM IN THE APPALACHIAN OROGEN, Boulder, 1997, cl, 429 pages, new $ 20

SP 2 / Rathbun, M. J. / FOSSIL DEVONIAN CORALS OF OHIO, Baltimore, 1935, pb, 160 pages, 26 plates, 2 figs., used, $ 15

SP 8 / Stewart, G. A. / MIDDLE DEVONIAN CORALS OF OHIO, Baltimore, 1938, pb, 120 pages, 20 plates, 2 figs., used, $ 15

SP 22 / Stockdale, P. B. / LOWER MISSISSIPPIAN ROCKS OF THE EAST-CENTRAL INTERIOR (OF THE UNITED STATES), GSA SP 22, Baltimore, 1939, pb, 248 pages, 26 plates, 2 figs., - 5 -, $ 10

SP 23 / Kindle, E. M. and Miller, A. K. / BIBLIOGRPAHIC INDEX OF NORTH AMERICAN DEVONIAN CEPHALOPODA, Baltimore, 1939, pb, 178 pages, used, $ 20

SP 28 / Gilluly, J. / ORIGIN OF GRANITE, Boulder, 1959 reprint of 1948 original, 139 pages, cl, used, $ 5; also available, new, $ 10

SP 37 / Ulrich, E. O., et.al. / OZARKIAN AND CANADIAN CEPHALOPODS, PART I: NAUTILICONES, Baltimore, 1942, pb, 157 pages, 57 plates, 23 figs., 1 table, used, $ 45

SP 38 / Cloud, P. E., Jr. / TEREBRATULOID BRACHIOPODA OF THE SILURIAN AND DEVONIAN, Baltimore, 1942, pb, 182 pages, 26 plates, 17 figs., 3 tables, used, $ 24

SP 39 / Clark, B. L. / Clark, B. L. / Eocene Radiolarian Fauns from the Mt, Diablo Area, California, Baltimore, 1942, pb, 112 pages, 9 plates, 5 figs., used, $ 18

SP 43 / David, L. R. / MIOCENE FISHES OF SOUTHERN CALIFORNIA, Baltimore, pb, 193 pages, 16 plates, 39 figs., used, $ 20

SP 44 / Vaughan, T. W. and Wells, J. W. / REVISION OF THE SUBORDERS, FAMILIES, AND GENERA OF THE SCLERACTINIA, Baltimore, 1943, pb, 363 pages, used, $ 25

SP 45 / Bassler, R. S. and Moody, M. W. / BIBLIOGRAPHIC AND FAUNAL INDEX OF PALEOZOIC PELMATOZOAN ECHINODERMS, Baltimore, 1943, pb, 740 pages, used, $ 20

SP 48 / Okulitch, V. J. / NORTH AMERICAN PLEOSPONGIA, Baltimore, 1943, pb, 112 pages, 18 plates, 19 figs., used, $ 20

SP 51 / Campbell, A. S. and Clark, B. L. / MIOCENE READIOLARIAN FAUNAS FROM SOUTHERN CALIFORNIA, Baltimore, 1944, b, 76 pages, 7 plates, used, $ 15

SP 52 / King, R. E., et.al. / GEOLOGY AND PALEONTOLOGY OF THE PERMIAN AREA NORTHWEST OF LAS DELICIAS, SOUTHWESTERN COAHUILA, MEXICO, Baltimore, 1944, pb, 172 pages, 45 plates, 29 figs., used, $ 25

SP 53 / Condra, G. E. and Elias, M. K. / STUDY AND REVISION OF ARCHIMEDES (HALL), Baltimore, 1944, pb, 243 pages, 41 plates, 6 figs., used, $ 20; another copy bound in afb, $ 30

SP 54 / Lochman, C. and Duncan, D. / EARLY UPPER CAMBRIAN FAUNAS OF CENTRAL MONTANA, Baltimore, 1944, pb, 181 pages, 19 plates, 2 figs., used, $ 30

SP 56 / Keen, A. M. and Bentson, H. / CHECK LIST OF CALIFORNIA TERTIARY MARINE MOLLUSCA, Baltimore, 1944, pb, 280 pages, used, $ 20

SP 57 / Campbell, A. S. and Clark, B. L. / RADIOLARIAN FROM UPPER CRETACEOUS OF MIDDLE CALIFORNIA, Baltimore, 1944, pb, 61 pages, 8 plates, 2 figs., used, $ 15

SP 58 / Ulrich, E. O., et.al. / OZARKIAN AND CANADIAN CEPHALOPODS, PART III: LONGICONES AND SUMMARY, Baltimore, 1944, pb, 226 pages, 68 plates, 9 figs., used, $ 45

SP 65 / Heezen, B. C., et.al. / THE FLOORS OF THE OCEANS – I. The North Atlantic, New York, 1959, cl, 122 pages, 30 plates (plates 20 - 30 stitched inside back cover), 49 figs., 3 tables, used, $ 10

SP 75 / Birman, J. H. / GLACIAL GEOLOGY ACROSS THE CREST OF THE SIERRA NEVADA, CALIFORNIA, New York, pb, 80 pages, 6 figs., 5 plates (one in pocket), 11 tables, used, $ 10

SP 79 / Storr, J. F. / ECOLOGY AND OCEANOGRAPHY OF THE CORAL-REEF TRACT, ABACO ISLAND, BAHAMAS, New York, 1964, pb, 98 pages, 17 figs., 8 plates, 134 tables, - 3 -, $ 10

SP 80 / Gilluly, J. / VOLCANISM, TECTONISM, AND PLUTONISM IN THE WESTERN UNITED STATES, New York, 1965, pb, 69 pages, used, $ 10

SP 88 / Mattox, R. B., Ed. / SALINE DEPOSITS: A SYMPOSIUM BASED ON PAPERS FROM THE INTERNATIONAL CONFERECE ON SALINE DEPOSITS, Houston, 1962, New York, 1968, pb, 701 pages, used, $ 10

SP 124 / Bandy, O. L., Ed. / RADIOMETRIC DATING AND PALEONTOLOGIC ZONATION, GSA SP 124, Boulder, 1970, pb, 247 pages, used, $ 10  [Contents: Concepts in late Paleozoic correlations; Cenozoic time scale; Potassium-Argon dating of Pacific Coast Miocene foraminifera; much more....]

SP 126 / Carroll, D. / CLAY MINERALS: A GUIDE TO THEIR X-RAY IDENTIFICATION, GSA M 126, Boulder, 1970, pb, 80 pages, - 3 -, $ 15

SP 135 / Zen, E-An / THE TACONIDE ZONE AND THE TACONIC OROGENY IN THE WESTERN PART OF THE NORTHERN APPALACHIAN OROGEN, Boulder, 1972, pb, 72 pages, 13 figs., used, $ 10

SP 138 / Heckel, P. H. / NATURE, ORIGIN, AND SIGNIFICANCE OF THE TULLY LIMESTONE, Boulder, 1973, pb, 244 pages, 10 plates, 47 figs., 16 tables, used $ 20

SP 148 / Briggs, G., Ed. / CARBONIFEROUS OF THE SOUTHEASTERN UNITED STATES, Boulder, 1974, afb, 361 pages, used, $ 10

SP 169 / Bowin, C. / CARIBBEAN GRAVITY FIELD AND PLATE TECTONICS, Boulder, 1976, pb, 79 pages, 19 figs., used, $ 10

SP 172 / Pakiser, L. C. and Mooney, W. D. / GEOPHYSICAL FRAMEWORK OF THE CONTINENTAL UNITED STATES, Boulder, 1989, cl, 826 pages, new, $ 20

SP 194 / Bartholomew, M. J., Ed. / THE GRENVILLE EVENT IN THE APPALACIANS AND RELATED TOPICS, Boulder, 1984, pb, 287 pages, new, $ 25

SP 198 / Raymond, L. A., Ed. / MELANGES: THEIR NATURE, ORIGIN, AND SIGNIFICANCE, Boulder, 1984, pb, 170 pages, used, $ 10; also available, new $ 20

SP 206 / Engebretson, D. C., Cox, A. and Gordon, R. G. / RELATIVE MOTIONS BETWEEN OCEANIC AND CONTINENTAL PLATES IN THE PACIFIC BASIN, Boulder, 1985, pb, 49 pages, used, $ 20

SP 207 / Debiche, M. G., Cox, A., and Engebretson, D. / THE MOTION OF ALLOCHTHONOUS TERRANES ACROSS THE NORTH PACIFIC BASIN, Boulder, 1987, pb, 49 pages, used, $ 10

SP 208 / Mayer, L., Ed. / EXTENSIONAL TECTONICS OF THE SOUTHWESTERN U.S.: A Perspective on Processes and Kinematics, GSA SP 208, Boulder, 1986, pb, 122 pages, - 3 -, $ 10

SP 212 / Fink, J. H. / THE EMPLACEMENT OF SILICIC DOMES AND LAVA FLOWS THE EMPLACEMENT OF SILICIC DOMES AND LAVA FLOWS, Boulder, 1987, pb, 145 pages, 118 figs., 18 tables, new, $ 40

SP 218 / Clark, S. P. Jr., Burchfiel, B. C. and Suppe, J. / PROCESSES IN CONTINENTAL LITHOSPHERIC DEFORMATION, Boulder, 1988, pb, 207 pages, used, $ 15; also available, new $ 20

SP 222 / Mitra, G. and Wojtal, S. / GEOMETRIES AND MECHANISMS OF THRUSTING, WITH SPECIAL REFERENCE TO THE APPALACHIANS, Boulder, 1988, pb, 236 pages, used, $ 20

SP 224 / Edelman, S. H., et.al. / STRUCTURE ACROSS A MESOZOIC OCEAN-CONTINENT SUTURE ZONE IN THE NORTHERN SIERRA NEVADA, CALIFORNIA, Boulder, 1989, pb, 56 pages, used, $ 10; also available, new $ 20

SP 229 / Clifton, A. E. / SEDIMENTOLOGIC CONSEQUENCES OF CONVULSIVE GEOLOGIC EVENTS, Boulder, 1988, pb, 157 pages, new, $ 30

SP 230 / Dallmeyer, R. D. / TERRANES IN THE CIRCUM-ATLANTIC PALEOZOIC OROGENS, Boulder, 1989, pb, 277 pages, new, $ 25

SP 232 / Malinconico, L. L., Jr. and Lillie, R. J. / TECTONICS OF THE WESTERN HIMALAYAS, Boulder, 1989, pb, 320 pages, 1 pocket plate, new, $ 20

SP 244 / Lockley, M. G. and Rice, A. / VOLCANISM AND FOSSIL BIOTAS, Boulder, 1990, pb, 125 pages, - 3 -, $ 20; also available, new, $ 25

SP 251 / Schneider, A. F. and Faser, G. S. / LATE QUATERNARY HISTORY OF THE MICHIGAN BASIN, Boulder, 1990, pb, 123 pages, new, $ 35

SP 212 / Fink, J. H. / THE EMPLACEMENT OF SILICIC DOMES AND LAVA FLOWS, Boulder, 1987, pb, 145 pages, 118 figs., 18 tables, new, $ 40

SP 249 / Izett, G A. / THE CRETACEOUS/TERTIARY BOUNDARY INTERVAL, RATON BASIN, COLORADO AND NEW MEXICO, AND ITS CONTENT OF SHOCK-METAMORPHOSED MINERALS; EVIDENCE RELEVANT TO THE K/T BOUNDARY IMPACT-EXTINCTION THEORY, Boulder, 1990, pb, 100 pages, - 1 -, $ 30

SP 255 / Harwood, D. S. and Miller, M. M., Ed. / PALEOZOIC AND EARLY MESOZOIC PALEOGEOGRAPHIC RELATIONS; SIERRA NEVADA, KLAMATH MOUNTAINS, AND RELATED TERRAINS, GSA SP 255, Boulder, 1990, pb, 422 pages, new, $ 30

SP 259 / Force, E. R. / GEOLOGY OF TITANIUM-MINERAL DEPOSITS, Boulder, 1991, pb, 112 pages, new, $ 20

SP 260 / Nations, J. D. and Eaton, J. G. / STRATIGRAPHY, DEPOSITIONAL ENVIRONMENTS, AND SEDIMENTARY TECTONICS OF THE WESTERN MARGIN, CRETACEOUS WESTERN INTERIOR SEAWAY, Boulder, 1991, pb, 216 pages, used, $ 20

SP 261 / Anderson, J. B. And Ashley, G. M., Ed. / GLACIAL MARINE SEDIMENTATION; PALEOCLIMATIC SIGNIFICANCE, Boulder, 1991, pb, 232 pages, new, $ 30

SP 270 / Clark, P. U. and Lea, P. D. / THE LAST INTERGLACIAL-GLACIAL TRANSITION IN NORTH AMERICA, Boulder, 1992, 317 pages, new, $ 28

SP 281 / Burtman, V. S. and Molnar, P. / GEOLOGICAL AND GEOPHYSICAL EVIDENCE FOR DEEP SUBDUCTION OF CONTINENTAL CRUST BENEATH PAMIR, Boulder, 1993, pb, 76 pages, - 1 -, $ 5

SP 284 / Johnsson, M. J. and Basu, A. / PROCESSES CONTROLLING THE COMPOSITION OF CLASTIC SEDIMENTS, Boulder, 1993, pb, 342 pages, used, top of book shaded black, $ 20; also available, new, $ 30

SP 290 / Haynes, J. T. / THE ORDOVICIAN DEICKE AND MILLBRIG K-BENTONITE BEDS OF THE CINCINNATI ARCH AND THE SOUTHERN VALLEY AND RIDGE PROVINCE, Boulder, 1994, pb, 80 pages, new, $ 28

SP 296 / Schiffman, P. and Day, H. W., Ed. / LOW-GRADE METAMORPHISM OF MAFIC ROCKS, Boulder, 1995, pb, 187 pages, used, $ 20

SP 307 / Fastovsky, D. and Gartner, S., Ed. / THE CRETACEOUS-TERTIARY EVENT AND OTHER CATASTROPHES IN EARTH HISTORY, Boulder, 1996, on cd, 39 chapters covering the K/T boundary, mass extinctions, etc., with index, new, $ 20

SP 310 / Hereford, R., et.al. / LATE HOLOCENE ALLUVIAL GEOMORPHOLOGY OF THE VIRGIN RIVER IN THE ZION NATIONAL PARK AREA, SOUTHWEST UTAH, Boulder, 1996, pb, 41 pages, new, $ 15

SP 312 / Ojakangas, R. W., et.al. / MIDDLE PROTEROZOIC TO CAMBRIAN RIFTING, CENTRAL NORTH AMERICA, Boulder, 1997, pb, 322 pages, new, $ 40

SP 313 / Kolate, D. R., et.al. / ORDOVICIAN K-BENTONITES OF EASTERN NORTH AMERICA, Boulder, 1996, pb, 84 pages, new, $ 35

SP 321 / Klapper, G., et.al. / PALEOZOIC SEQUENCE STRATIGRAPHY, BIOSTRATIGRAPHY, AND BIOGEOGRAPHY, Studies in honor of J. Granville (“Jess”) Johnson, Boulder, 1997, pb, 401 pages, new, $ 25

SP 322 / Lidiak, E. G. and Larue, D. K., Ed. / TECTONICS AND GEOCHEMISTRY OF THE NORTHEASTERN CARIBBEAN, Boulder, 1998, pb, 215 pages, new, $ 10

SP 324 / Oldow, J. S. and Lallemant, H. G. A., Ed. / ARCHITECTURE OF THE CENTRAL BROOKS RANGE FOLD AND THRUST BELT, ARCTIC ALASKA, Boulder, 1998, pb, 317 pages, new, $ 15

SP 330 / Valentino, D. W. and Gates, A. E., Ed. / THE MID-ATLANTIC PIEDMONT: THE MISSING LINK OF THE APPALACHIANS, Boulder, 1999, pb, 139 pages, new, $ 20

SP 332 / Barrera, E. and Johnson, C. C., Ed. / EVOLUTION OF THE CRETACEOUS OCEAN-CLIMATE SYSTEM, Boulder, 1999, pb, 445 pages, tiny amount of highlighting on 6 pages only, ovg, used, $ 20

SP 336 / Ramos, V. A. and Keppie, J. D., Ed. / LAURENTIA-GONDWANA CONNECTIONS BEFORE PANGEA, Boulder, 1999, pb, 276 pages, new, $ 30

SP 343 / Stowell, H. H. And McClelland, W. C., Ed. / TECTONICS OF THE COASTAL MOUNTAINS, SOUTHEASTERN ALASKA AND BRITISH COLUMBIA, Boulder, 2000, pb, 289 pages, new, $ 20

SP 351 / Weddle, T. K. and Retelle, M. J., Ed. / DEGLACIAL HISTORY AND RELATIVE SEA-LEVEL CHANGES, NORTHERN NEW ENGLAND AND ADJACENT CANADA, GSA SP 351, Boulder, 292 pages, new, $ 30

SP 353 / Link, P. K. and Mink, L. L., Ed. / GEOLOGY, HYDROGEOLOGY, AND ENVIRONMENTAL REMEDIATION: IDAHO NATIONAL ENGINEERING AND ENVIRONMENTAL LABORATORY, EASTERN SNAKE RIVER PLAIN, IDAHO, Boulder, pb, 311 pages, new, $ 20

SP 354 / Snoke, A. W., et.al. / PETROLOGIC AND STRUCTURAL HISTORY OF TOBAGO, WEST INDIES: A FRAGMENT OF THE ACCRETED MESOZOIC OCEANIC ARC OF THE SOUTHERN CARIBBEAN, Boulder, 2001, pb, 54 pages, 2 plates (in pocket), new, $ 10

SP 408 / Heiken, G., Ed. / TUFFS: THEIR PROPERTIES, USES, HYDROLOGY, AND RESOURCES, Boulder, 2006, pb, 131 pages, new, $ 40

SP 412 / Rose, W. I., et.al., Ed. / VOLCANIC HAZARDS IN CENTRAL AMERICA, Boulder, 2006, pb, 286 pages, used, $ 10

SP 432 / Baker, G. S. and Jol, H. M., Ed. / STRATIGRAPHIC ANALYSES USING GPR (ground penetrating radar), Boulder, 2007, pb, 181 pages, new, $ 45

SP 440 / Condie, K. C. and Pease, V. / WHEN DID PLATE TECTONICS BEGIN ON PLANET EARTH? Boulder, 2008, pb, 294 pages, very slight crimp to top right corner of several pages, ovg, new, $ 40

SP 441 / Fielding, C. R., et.al., Ed. / RESOLVING THE LATE PALEOZOIC ICE AGE IN TIME AND SPACE, GSA SP 441, Boulder, 2008, pb, 354 pages, new, $ 40