Geology and Ore Deposits of the Pioche District, Nevada: Usgs Professional Paper 171 by L. G. Westgate, Adolph Knopf

Geology and Ore Deposits of the Pioche District, Nevada: Usgs Professional Paper 171

L. G. Westgate, Adolph Knopf

96 pages missing pub info (editions)

nonfiction politics
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The United States Geological Survey (USGS) is a scientific organization created in 1879, and is part of the U.S. government. Their scientists explore our environment and ecosystems, to determine the natural dangers we are facing. The agency has ov...

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