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1918 Map of Powell Slough, 1947 Print
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1918 Map of Powell Slough

USGS Topo · Published 1947

About this map

Colusa sits at a bend of the Sacramento River in this 1918-era survey of the Central Valley. The landscape is defined by its complex hydrological management, featuring a dense network of watercourses and early infrastructure like the Cheney Slough and Irrigation Company Canal and the Old Davis Levee. These features reveal the historical efforts to reclaim and irrigate the fertile basin lands for agriculture. In the northern section of town, a small Cem is noted near the riverbank, providing a point of interest for genealogists tracking early residents. Beyond the immediate town site, the map tracks the wandering paths of Powell Slough and Hopkins Slough through the Colusa and Jimeno land grants, showing how the natural drainage of Cortina Creek interacted with the growing grid of county roads and the Colusa and Lake route.

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Map Details

Date Portrayed1918
Date Published1947
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:31,680
Physical Dimensions17 x 20.7 inches

Editions of this 1918 Powell Slough Map

Historical Maps of Colusa Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain