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Geological Survey


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The U.S. Geological Survey (USGS) was established by the Organic Act of March 3, 1879 (43 U.S.C. 31). USGS classifies public lands, examines the geological structure, and assesses the energy, mineral, water, and biology resources and products within and outside the national domain.

USGS provides relevant, objective scientific studies and information used to help address issues and solve problems dealing with natural resources, natural hazards, and the environmental effects on human and wildlife health.

This agency has published 635 documents since 1994.

Listing Of All Recent Documents

November 2015

October 2015

September 2015

August 2015

July 2015

June 2015

May 2015

April 2015

March 2015

February 2015

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