Mineral Resources of the Cougar Canyon/Tunnel Spring Wilderness Study Area, Washington County, Utah, and Lincoln, Nevada: U.S. Geological Survey Open-File Report 90-331
USGS and USBM, 1990. softcover, stapled, 17 pages, 11" x 8.5", from the abstract, "At the request of the U.S. Bureau of of Land Management, approximately 6,408 acres of the Cougar Canyon/Tunnel Spring Wilderness Stdy Area (UT-040-123/NV-050-166) were evaluated for mineral resources (known) and mineral resource potential (undiscovered). More


