M 31

Gravity map of Battle Mountain and adjacent areas, Lander, Pershing, and Humboldt Counties, Nevada, by John W. Erwin, 1967.

Gravity map at 5-milligal intervals, showing generalized geology in five units, on topographic base with township and range grid; text describing the procedures, topography, general geology, rock densities, and gravity anomalies of the area; references and sources of geologic information.

Additional information is available in M47.

Map 31, 1:125,000, 25x38", two color, $15.00

Folded

Rolled