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1958 Map of Toppenish Mtn.

Name: 1958 Topographic Map of Toppenish Mtn.
Creator: U.S. Geological Survey
Published: 1970
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1970

About this map

The Yakima Indian Christian Mission stands as a focal point of this late-1950s landscape, situated at the intersection of Mission Road and Fort Simcoe Road. This terrain is defined by the sharp transition from the irrigated agricultural lands of the north to the rising elevations of Toppenish Ridge. Water management is central to the area's development, evidenced by the complex network of the Shaker Canal, Unit 2 Canal, and numerous siphons designed to navigate the uneven topography.

At higher elevations, the landscape becomes increasingly dramatic as it ascends toward Toppenish Mtn. Natural water sources like Olney Lake and Seattle Spring dot the southern reaches, providing a stark contrast to the engineered irrigation systems below. The presence of several gravel pits and a web of unpaved routes, including Pom Pom Road and Tecumseh Road, suggests an active local economy tied to both land maintenance and traditional transit corridors through the Yakima region.