National Geologic Map Database
Product Description Page
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Title: Estimates of tracer-based piston-flow ages of groundwater from selected sites: National Water-Quality Assessment Program, 1992-2005
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Author(s): Hinkle, S.R., Shapiro, S.D., Plummer, L.N., Busenberg, Eurybiades, Widman, P.K., Casile, G.C., and Wayland, J.E.
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Publishing Organization: U.S. Geological Survey
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Series and Number: Scientific Investigations Report SIR-2010-5229
- Publication Date: 2011
- Map Scale: 1:27,000,000
- Cross Section: None
- North Latitude: 64° 0' 0" N (64.0000)
- South Latitude: 21° 15' 16" N (21.2544)
- East Longitude: 67° 0' 0" W (-67.0000)
- West Longitude: 158° 17' 4" W (-158.2844)
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