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1958 Map of Fort Simcoe

Name: 1958 Topographic Map of Fort Simcoe
Creator: U.S. Geological Survey
Published: 1960
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1960

About this map

Fort Simcoe and the surrounding Ahtanum Indian Reservation represent a convergence of military history and Yakima County landscape. This late 1950s survey documents the area as it transitioned into a preservation space following the establishment of Fort Simcoe Historical State Park. The terrain is defined by dramatic geological features like Ahtanum Ridge and Toppenish Ridge, which frame the agricultural and ranching potential of Medicine Valley.

Evidence of early infrastructure and local heritage is found in the distribution of family and cultural sites, such as the Yesmowit Cemetery and Colwash Cem. Land use patterns are further illustrated by the Mill Creek Guard Station and the Hitchcock Airstrip, alongside traditional landmarks like the Wild Horse Corral. The intricate network of seasonal drainage, including Toppenish Creek and Wahtum Creek, highlights the complex water management required in this high-relief environment.