Aeromagnetic map index of Nevada, by John W. Erwin, Susan L. Nichols, Richard H. Godson, and Patricia L. Hill, 1980.

Index location map to 74 aeromagnetic maps; bibliographic information on these 74 plus an additional 22 aeromagnetic maps; on topographic base with township and range grid.

Prepared in cooperation with the USGS. Index to gravity map coverage is available as M49.

Map 62, 1:1,000,000, 33x31", two color, $4.00