GOLD-BEARING SEDIMENTARY ROCKS IN NORTHWEST WYOMING - A PRELIMINARY REPORT; GEOLOGICAL SURVEY CIRCULAR 541, 1967
Washington, DC: United States Geological Survey/USGS/Government Printing Office/GPO, 1967. Soft cover. Item #42047
Thick sequences of gold-bearing quartzite conglomerate occur in latest Cretaceous and Tertiary formations and in Quaternary gravels derived from them in northwest Wyoming. This report presents a summary of analyses of the first 1,200 of 6,000 samples collected from a sequence of gold-bearing sedimentary rocks. 12 pages with tables, maps and references. A fine and bright unused copy.
Price: $35.00
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See all items by J. C. Antweiler, J D. Love