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1941 Map of Black Rock Spring
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1941 Map of Black Rock Spring

USGS Topo · Published 1941

About this map

Umtanum Ridge and Yakima Ridge define the complex topography of this central Washington landscape, where high basaltic plateaus are cut by deep erosional features like Alkali Canyon and Corral Canyon. This 1936 survey reveals a ranching-based economy, with isolated homesteads such as the Hohnen Ranch and Bernhardt Ranch scattered across the high country. The distribution of these family-named operations highlights the importance of localized water sources in a semi-arid environment, anchored by the central Black Rock Spr.

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Map Details

Date Portrayed1941
Date Published1941
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:62,500
Physical Dimensions16.6 x 19.9 inches

Editions of this 1941 Black Rock Spring Map

Historical Maps of Yakima County Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain