U.S. Geological Survey (USGS)
The U.S. Geological Survey is the nation's largest water, earth, and biological science and civilian mapping agency. It collects, monitors, analyzes, and provides scientific understanding of natural resource conditions, issues, and problems.
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U.S. Geological Survey (USGS)Toll-free number
1-888-ASK-USGS (1-888-275-8747)
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Main address
12201 Sunrise Valley Dr.Reston, VA 20192
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