Center for Environmental Research Information U.S text bibliography ohu Cincinnati, OH U.S. Environmental Protection Agency, Office of Research and Development, Center for Environmental Research Information 1990- 1990 9999 monographic eng

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v. ill., maps 28 cm. Vol. 1. Ground water and contamination. Shipping list no.: 90-713-P (v. 1). "September 1990"--Vol. 1. "EPA/625/6-90/016a"--Vol. 1. Includes bibliographical references. n-us--- Water, Under ground United States Quality Handbooks, manuals, etc Hydrogeology United States Handbooks, manuals, etc Water, Under ground Pollution United States Handbooks, manuals, etc EP 1.8:G 91/2 EP 1.8:G 91/2 ocm22742783 GPO 901127 20160527194532.0 27249