National Geologic Map Database
General Information
- Title: Status of water-quality conditions in the United States, 2010–20
- Author(s): Erickson, M.L., Miller, O.L., Cashman, M.J., Degnan, J.R., Reddy, J.E., Martinez, A.J., and Azadpour, Elmera
- Publishing Organization: U.S. Geological Survey
- Series and Number: Professional Paper 1894-C
- Larger Work: U.S. Geological Survey Integrated water availability assessment—2010–20
- Publication Date: 2025
- Map Scale: 1:30,000,000
- Cross Section: None
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