Jiddah, Saudi Arabia: U.S. Geological Survey, 1980. Technical Record 4, Interagency Report 299. stapled binding, clean cover, foldout map inside rear cover, 28 pages, An alkali feldspar granite exposed at Jabal al Gaharra in the southwestern corner of the Wadi Wassat quadrangle (18/44 C) contains an average of 66ppm tin..... More
Washington: U.S. Geological Survey, 1970. second printing. softcover, 10.25" x 8", 20 pages, illustrated. from the introduction, "Many of the metallic ore deposits of norther-central Nevada occur in regional alinements or mineral belts. One of the most economically and geologically important, and also one of the most conspicuous of these..... More
United States Government Printing Officet, 1989. softcover, 11" x 8.5", 86 pages, illustrated, foldout plate inside rear pocket. from the cover, "Gold Placer Deposits and a Molybdenum Anomaly in the Miners Gulch area, Granite County, Montana and Colluvial Gold Placers Near Miners gulch, Granite County, Montana." More