A Devonian/Carboniferous Conodont Database Documentation and User's Manual: Usgs Open-File Report 92-273-A by Charles A. Sandberg, Ronald R. Charpentier

A Devonian/Carboniferous Conodont Database Documentation and User's Manual: Usgs Open-File Report 92-273-A

Charles A. Sandberg, Ronald R. Charpentier

64 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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