%0 E-Resource %0 U.S. Federal Government Document %0 Book %A Leake, S. A. %E Hanson, R. T. %E Geological Survey (U.S.) %E Tucson (Ariz.) %I U.S. Geological Survey %D 1987 %C Tucson, Arizona %G English %B Water-resources investigations report ; %T Distribution and movement of trichloroethylene in ground water in the Tucson area, Arizona %U https://purl.fdlp.gov/GPO/gpo147021