Washington D. C. U. S. Geological Survey, 1961. Mineral Investigations. tan printed envelope, folded map, 1:250,000, written on cover. DQ2. More
U. S. Geological Survey, 1991. Geologic Quadrangle Map. tan printed envelope, 11.75" xc 9.25, map scale 1:62,500. map legends and introduction to the map information. More
Reno, NV: Mackay School of Mines, 1969. stapled binding, 11" tall, foldout map inside rear cover, 45 pages. Nevada Bureau of Mines Bulletin 75, Geology and Mineral Deposits of Lyonm Douglas, and Ormsby Counties, Nevada." DR2. More