TY - RPRT TI - Bouguer gravity anomaly and isostatic residual gravity maps of the Tonopah 1 degree by 2 degrees Quadrangle, central Nevada AU - Donald Plouff PY - 1992 DO - 10.3133/mf1877d UR - https://pubs.usgs.gov/publication/mf1877D ID - mf1877D ER -