1962 Map of Silt, 1970 Print
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1962 Map of Silt

USGS Topo · Published 1970

About this map

Cactus Valley and the Grand Hogback dominate this 1962 topographical study, where the Colorado River carves through the landscape alongside a dense network of early irrigation systems. Agricultural development is evident in the numerous water projects like the Farmers Irrigation Co Ditch, Lower Cactus Valley Ditch, and the Grass Valley Canal feeding from the Grass Valley Reservoir.


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Map Details

Date Portrayed1962
Date Published1970
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22.3 x 27 inches

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Source Details

CopyrightPublic Domain