Editore: United States Geological Survey/USGS/Government Printing Office/GPO, Washington, DC, 1972
Da: Robert Gavora, Fine & Rare Books, ABAA, Talent, OR, U.S.A.
Soft cover. Condizione: Fine. 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 stiff paper covers printed in black. Receiving stamp on the front cover. A fine copy. Book.
Editore: United States Geological Survey/USGS/Government Printing Office/GPO, Washington, DC, 1972
Da: Robert Gavora, Fine & Rare Books, ABAA, Talent, OR, U.S.A.
Soft cover. Condizione: Near Fine. A summary and correlation of geologic and geophysical data on the most productive part of the Colorado mineral belt. 31 pages with maps, tables, gravitational charts, and references, plus the two folded map plates in the rear pocket. Library receiving stamp on the front cover. No other library markings, plates or pocket were ever present. A near fine copy. Book.