title: Alkali map, California, Indio sheet. creator: United States. Bureau of Soils. publisher: A. Hoen & Co. date: 1903 language: English 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]. subject: Landscape and Nature - Geography and Maps subject: Places - United States - California subject: Soils -- California -- Coachella Valley -- Maps. subject: Alkali lands -- California -- Coachella Valley -- Maps. subject: Cities and towns -- California -- Maps. subject: Roads -- California -- Maps. subject: Railroads -- California -- Maps. subject: Public lands -- California -- Maps. subject: Coachella Valley (Calif.) -- Maps. subject: Salton Trough (Calif.) -- Maps. coverage: 1903 coverage: United States - California type: Map format: 1 map : col. ; 61 x 46 cm. format: Image identifier: local-cont-no: 170021 identifier: oclc: 367949900 identifier: https://texashistory.unt.edu/ark:/67531/metapth192357/ identifier: ark: ark:/67531/metapth192357