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USGS Cooperative National Geologic Map Now Covers 50 States…

RESTON, Va. — The U.S. Geological Survey today released Version 2.0 of the Cooperative National Geologic Map, expanding coverage to include Alaska, Hawaii…

Author not supplied · Published 04 Sep 2026, 21:34 · Updated 04 Sep 2026, 23:08

Source: U.S. Geological Survey (USGS) View source

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U.S. Geological Survey