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USGS Maps $2.55 Trillion Gold Deposit Hidden Across America’s Land

The U.S. Geological Survey has transformed how the nation understands its mineral wealth. The agency's 2025 assessment reveals $2.55 trillion in identified and undiscovered gold deposits beneath ...
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Low-flying planes to map eastern Iowa in year-long national geological survey

CEDAR RAPIDS, Iowa (KCRG) - The U.S. Geological Survey plans to start low-level plane flights this month across eastern Iowa. The project is part of a national effort to find mineral resources and ...