@article{263401, note = {Distributed to depository libraries in microfiche.}, author = {Thodal, Carl E.}, url = {http://library.usi.edu/record/263401}, title = {Data on ground-water quality, Carson Valley and Topaz Lake areas, Douglas County, Nevada, for year ending September 1987 [microform] /}, publisher = {U.S. Geological Survey ;}, recid = {263401}, pages = {iv, 44 p. :}, address = {Carson City, Nev. :}, year = {1992}, }