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California Water-Quality Assessment

http://ca.water.usgs.gov/nawqa.html

Results of activities in California conducted under the National Water-Quality Assessment Program (NAWQA): maps, publications and data.

Related topics:
Hydrology, Water quality, Aquifers, Streams
Hydrologic units
Tulare-Buena Vista Lakes, Sacramento, San Joaquin, Santa Ana,
States or counties
California

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