cl = cloth (regular hardback), cl[2] = cloth (fine hardback version), cl[3] = cloth (exceptionally fine hardback version with elevated ribbing on spines of books and publications, extra gold leaf, etc.)

pb = paperback, afb = acid-free binder, unb = unbound, vg = very good condition, ovg = otherwise very good, pc = photocopy version, yp = young person's reading level, USGS = United States Geological Survey, PP = Professional Paper, B = Bulletin, C = Circular, OFR = Open File Report, USBM = United States Bureau of Mines, GPO = Government Printing Office, AIME = American Institute of Mining and Metallurgical Engineers, SEG = Society of Economic Geology, SEG2 = Society of Exploration Geophysics, AAPG = American Association of Petroleum Geologists, SEPM = Society of Economic Paleontologists and Mineralogists, AGU = American Geophysical Union, GSA = Geological Society of America, E&MJ = Engineering and Mining Journal, AIMM = Australasian Institute of Mining and Metallurgy, IAEA = International Atomic Energy Agency, AIG = Australian Institute of Geoscientists, AMF = Australian Mineral Foundation, Inc., ME = Mining Engineering