Alkali map, California, Indio sheet.

Alkali map, California, Indio sheet.

Date: 1903
Creator: United States Bureau of Soils.
Description: Map shows early twentieth century Riverside County, California towns, roads, railroads, township grid, soil types, and the "Salton Sink." Includes legend to alkali soil content. Relief shown by hachures. Scale [1:63,360].
Contributing Partner: University of Texas at Arlington Library