M 68

Bouguer gravity map of Nevada, Goldfield and Mariposa sheets, by D.L. Healey, R.R. Wahl, and F.E. Currey, 1980.

Gravity map of the Nevada portions of the Goldfield and Mariposa 1- by 2-degree Quadrangle at 5-milligal intervals, showing gravity stations, and generalized geology in five units; on topographic base with township and range; text describes geologic units, sources of gravity data, and sources of generalized geology.

Prepared in cooperation with the USGS.

Map 68, 1:250,000, 22x36", two color, $4.00