Soils map of the Las Vegas SE 7.5' Quadrangle, by U.S. Soil Conservation Service, 1982.

Map of the Las Vegas SE 7.5' Quadrangle showing six major soil categories; the major groupings are further subdivided into 36 more specific types.

Map 3Ad, 29x21", 1:24,000-scale full-color map, $2.00