Gravity map of the Yerington, Como, Wabuska, and Wellington Quadrangles, Nevada, by John W. Erwin, 1970.

Gravity map at 5-milligal intervals, showing generalized geology in twelve units; on topographic base with township and range grid; text describing field methods and data reduction, topography and general geology, rock densities and interpretation, and gravity anomalies of the area; references.

Supplemental information on the gravity of this region is available in M58, M83, OF82-2 and OF82-7.

Map 39, 1:125,000, 23x36", two color, $4.00