Editore: United States Geological Survey., 1976
Da: Eryops Books, Stephenville, TX, U.S.A.
Mappa
No Binding. Condizione: Very Good. Large folded sheet consisting of a geologic map superposed on topographic contours, three cross-sections, correlation of map units, a columnar section with description of units, and references cited; in printed envelope; ex-corporate library; in very good condition. Map.
Editore: United States Government Printing Office, Washington, 1981
Condizione: near fine. An evaluation of thorium resources, their distribution, and geologic relationships. DR3. stapled binding, 11.25" tall, 34 pages.