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1909 Map of Cosumnes

Name: 1909 Topographic Map of Cosumnes
Creator: U.S. Geological Survey
Published: 1909
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1909

About this map

Cosumnes River defines the central topography of this Sacramento County landscape, winding through a territory of alluvial plains and low-rising hills. This survey, conducted in cooperation with the State of California, captures the agricultural character of the region during a period of steady rural settlement. The northern border is punctuated by the established stage stop at Slough House and the small community of Cosumne, both situated along the path of Jackson Road.

Educational life is documented through the distribution of one-room schoolhouses, including Rhoads School, Wilson School, and Lee School, which served dispersed ranching families. The map also records the Omochumnes land grant boundaries and the drainage patterns of Deer Creek and Laguna, providing a detailed look at the drainage and land divisions that shaped early 20th-century development in the Central Valley.