TY - RPRT TI - Trends in chloride, dissolved-solids, and nitrate concentrations in ground water, Carson Valley and Topaz Lake Areas, Douglas County, Nevada, 1959-88 AU - C. E. Thodal PY - 1996 DO - 10.3133/wri954254 UR - https://pubs.usgs.gov/publication/wri954254 ID - wri954254 ER -