United States Environmental Protection Agency. Center for Environmental Research Information U.S text mdu Rockville, Md Government Institutes 1992 2nd ed. monographic eng

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2 v. in 1 (xii, 144, 141 p.) ill., maps 28 cm. v. 1. Ground water and contamination -- v. 2. Methodology. U.S. Environmental Protection Agency, Office of Research and Development, Center for Environmental Research Information. "March 1992"--T.p. verso. Revision of material previously published by EPA's Office of Research and Development in Sept. 1990 (vol. 1) and July 1991 (vol. 2). Includes bibliographical references. Water, Under ground Pollution United States Handbooks, manuals, etc Water, Under ground United States Quality Handbooks, manuals, etc 0865872791 ZTL 920602 20160527193202.0 199967