Reports and Maps of the Military Geology Unit 1942-1975: Open-File Report 97-175 by William Leith, Selma Bonham

Reports and Maps of the Military Geology Unit 1942-1975: Open-File Report 97-175

William Leith, Selma Bonham

140 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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