Soil map of the Washoe City 7.5' Quadrangle, by U.S. Soil Conservation Service, 1977.

Map of the Washoe City 7.5' Quadrangle showing nine major soil categories; the major groupings are further subdivided into 119 more specific types.

Map 5Ad, 29x21", 1:24,000-scale full-color map, $2.00