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Welcome to the largest earth science library in the world! Established in 1879 to build and organize a collection of scientific materials in the earth sciences, the U.S. Geological Survey Library is now the largest library for earth sciences in the world. The Library includes four central libraries and is part of Core Science Systems within the USGS.Library Branches and Contact Information
Search an archive of more than 500,000 still photographs, slides, glass plate slides, lantern slides, negatives, and sketches dating from the 1870s and taken by USGS scientists as part of their field studies.
The fourth volume of the comprehensive history of the U.S. Geological Survey, Minerals, Lands, and Geology for the Common Defence and General Welfare: Volume 4, 1939‒1961, has been issued as an electronic document.
The USGS Science Data Catalog (SDC) recently completed and launched a new and improved interface, making USGS data more accessible and discoverable for users. The USGS SDC is a searchable public data catalog for more than 7,000 USGS data assets and 20 USGS collections.