U.S. Geological Survey water resources tools : discover a wealth of hydrologic data, maps, graphs, and other resources for your State!
- Physical Description: 1 online resource (2 unnumbered pages) : color illustrations, color maps.
- Publisher: [Reston, VA] : U.S. Department of the Interior, U.S. Geological Survey, 
|General Note:|| Title from title screen (viewed on Mar. 3, 2016).
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