Editore: Central Mineral Resources, Denver, Colorado, 1989
Condizione: very good. from the introduction, "The Branch of Resource Evaluation, Intermountain Field Operations Center, U.S. Bureau of Mines (USBM), in cooperation with the staff of Central Mineral Resources, U.S Gological Survey (USGS), prepared the following mineral "Briefing Book" summaries on 90 proposed wilderness areas in and adjacent to the State of Utah." black spiral comb, softcover, 11" x 8.5", missing folded plate that should be in rear pocket, 435 pages, illustrated.
Editore: Western Mineral Resources, 1989
Condizione: near fine. from the introduction, "The Branch of Resource Evaluation, Intermountain Field Operations Center, U.S. Bureau of Mines (USBM)." black spiral comb, 11" x 9", 319 pages, illustrated.
Editore: Central Mineral Resources, Denver, Colorado, 1989
Condizione: near fine. from the introduction, "The Branch of Resource Evaluation, Intermountain Field Operations Center, U.S. Bureau of Mines (USBM), prepared the following mineral "Briefing Book" summaries on 48 propoed wilderness areas in and adjacent to the state of New Mexico.'. black spiral comb, softcover, 11" x 8.5", folded plate inside rear pocket, 241 pages, illustrated.