Washington, DC: United States Geological Survey/USGS/Government Printing Office/GPO, 1931. Softcover. 64 pages with small map, location of wells, photographs, tables, references and index, with all twenty folded plates in the rear pocket. Bound in original gray stiff paper covers printed in black. Spine repaired and reinforced with black cloth backing..... More

Washington, DC: United States Geological Survey/USGS/Government Printing Office/GPO, 1931. Softcover. 64 pages with small map, location of wells, photographs, tables, references and index, with all twenty folded plates in the rear pocket. Bound in original gray stiff paper covers printed in black. Spine repaired and reinforced with black cloth backing..... More

Washington, DC: United States Geological Survey/USGS/Government Printing Office/GPO, 1981. Softcover. A discussion of the use and limitations of copper resource data for production estimates, trends, and forecasts. 20 pages with graphs, tables and references. Bound in original illustrated gray and black stiff paper covers. A near fine copy. More

Washington, DC: United States Geological Survey/USGS/Government Printing Office/GPO, 1976. Softcover. A collection of papers presented at a symposium held in Golden, Colorado, January 22-24, 1976. 162 pages with maps, tables, and graphss. Bound in original gray stiff paper covers printed in black. Black marker covering name stamp on the front..... More

Washington, DC: United States Geological Survey/USGS/Government Printing Office/GPO, 1980. Softcover. This report examines geologic structures in the different roof pendants and in areas of the western metamorphic belt. 24 pages with map, structural diagrams, tables and references. Bound in original tan stiff paper covers printed in brown. Stamp of geologist..... More

Washington, DC: United States Geological Survey/USGS/Government Printing Office/GPO, 1976. Softcover. An evaluation of the geochemistry, geographic distribution, and geologic environments of flourine, and desriptions of major United States flourine mineral deposits. 99 pages with maps, graphs, tables and references. Bound in original illustrated gray and black stiff paper covers. Staple..... More

Washington, DC: United States Geological Survey/USGS/Government Printing Office/GPO, 1970. Softcover. Regional stratigraphic studies and ammonite zonation are used in interpreting complex intertonguing and subtle facies changes in rocks of Late Cretaceous and early Tertiary age. 53 pages with maps, tables, figures, photographs, references and index. Bound in original gray stiff..... More

Washington, DC: United States Geological Survey/USGS/Government Printing Office/GPO, 1995. Softcover. Stratigraphic distribution, paleoecology, biogeography, and systematic paleontology of 50 species of Ordovician nautiloids from the midcontinent. 126 pages with illustrations, figures, references and index, plus the 22 photographic plates bound in the rear. Bound in original tan stiff paper covers..... More

Washington, DC: United States Geological Survey/USGS/Government Printing Office/GPO, 1958. Softcover. Pages 19 through 37 with maps and references, plus the two folded plates in the rear pocket. Bound in original gray stiff paper covers printed in black. A very good copy. More

Washington, DC: United States Geological Survey/USGS/Government Printing Office/GPO, 1954. Softcover. A report giving detailed descriptions of rocks of Mississippian, Pennsylvanian, and Permian ages, with representative sections and faunal lists of the formations concerned. 49 pages with maps, list of sections, references and index, plus the folded plate in the rear..... More

Washington, DC: United States Geological Survey/USGS/Government Printing Office/GPO, 1972. Softcover. A summary and correlation of geologic and geophysical data on the most productive part of the Colorado mineral belt. 31 pages with map, tables, figures and references, plus the two folded maps in the rear pocket. Bound in original gray..... More

Washington, DC: United States Geological Survey/USGS/Government Printing Office/GPO, 1977. Softcover. Severe channel erosion accompanied the floods in Grand Canyon and damaged archeological sites dated A.D. 1050-1150 and modern facilities in Bright angel canyon. The most spectacular effects of the storm, however, were the mudflows and debris slides that occurred mainly..... More

Washington, DC: United States Geological Survey/USGS/Government Printing Office/GPO, 1980. Softcover. 36 pages with maps, tables, diagrams, figures and references. Bound in original tan stiff paper covers printed in brown. Receiving stamp and corner crease on the front cover. A very good plus copy. More