Summers, Karen Methodology to evaluate the potential for groun water contamination from geothermal fluid releases / by Karen Summers and Carl Chen - Ohio : Environment Protection Agency, 1979 - vi, 168 p. : ill. ; 28 cm. - Research and development . EPA-600/7-80-117 Subjects--Topical Terms: Geothermal engineeringOcean thermal power plants Dewey Class. No.: 621.44