The USGS is a science organization that provides impartial information on the health of our ecosystems and environment, the natural hazards that threaten us, the natural resources we rely on, the impacts of climate and land-use change, and the core science systems that help us provide timely, relevant, and useable information.
The authoritative and comprehensive summary of statistics on the social, political, and economic organization of the United States. Published by the Census Bureau, the StatAb also serves as a guide to sources of additional information both in print and on the Web.
The 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.
Office of Coast Survey's Historical Map & Chart Collection covers the land and waters of the United States of America, including territories and possessions (past and present). The images are free to download.
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