Bouguer gravity map of Nevada, Reno sheet, by John W. Erwin and John C. Berg, 1977.

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

Map 58, 1:250,000, 22x36", two color, $4.00