TY - RPRT TI - Data on ground-water quality for the Tonopah 1° x 2° quadrangle, central Nevada AU - Alan H. Welch AU - Rhea P. Williams PY - 1987 DO - 10.3133/ofr85648j UR - https://pubs.usgs.gov/publication/ofr85648J ID - ofr85648J ER -