U.S. Geological Survey (USGS)

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The USGS is a bureau of the U.S. Department of the Interior. USGS seeks to minimize loss of life and property from natural disasters, manage natural resources, and enhance and protect the quality of life by providing reliable scientific information about the Earth. Maps and other geologic information are available by state. Through the EarthExplorer section of this Web site, viewers may access or order aerial photographs, cartographic products, and satellite images, including declassified intelligence satellite photographs.

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