Handbook, ground water.
- Cincinnati, OH U.S. Environmental Protection Agency, Office of Research and Development, Center for Environmental Research Information 1990-
- v. ill., maps 28 cm.
Water, Under ground--Quality--Handbooks, manuals, etc.--United States Hydrogeology--Handbooks, manuals, etc.--United States Water, Under ground--Pollution--Handbooks, manuals, etc.--United States