Publisher:
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[Washington, D.C.] : United States Environmental Protection Agency, Office of Water, [1998] |
Phys. Desc.:
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1 electronic text : HTML file.
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Digital Content
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Click for online content. |
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Publisher:
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Reston, VA : U.S. Geological Survey, Water Resources Division ; 2000. |
ISBN:
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0607954205 |
Phys. Desc.:
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iv, 31 pages : color illustrations, color maps ; 28 cm
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Digital Content
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http://water.usgs.gov/pubs/circ/circ1216/ |
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Publisher:
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Reston, VA : U.S. Geological Survey, National NAWQA Program ; 2000. |
ISBN:
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0607954116 |
Phys. Desc.:
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iv, 32 pages : illustrations (some color) color maps ; 28 cm
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Digital Content
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http://water.usgs.gov/pubs/circ/circ1202/ |
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Publisher:
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[Washington, D.C.] : United States Environmental Protection Agency, Office of Water, [2003] |
Phys. Desc.:
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1 electronic text : HTML file.
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Digital Content
|
Click for online content. |
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