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1978 Map of Selle Gap

Name: 1978 Topographic Map of Selle Gap
Creator: U.S. Geological Survey
Published: 1978
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1978

About this map

The Harney County and Malheur County line bisects this high-desert landscape, captured during a 1970s field check. The western edge is defined by the significant reach of the Warm Springs Reservoir, while the interior is marked by a network of essential water sources including Bay Stud Reservoir, Juniper Basin Reservoir, and numerous named springs like Lone Juniper Spring.

Remote terrain features such as Wheeler Flat and Black Butte dominate the northern section, accessible only by a system of rugged tracks. The map records the livestock-and-water management patterns of the era through features like the Little Selle Gap Reservoir and Williams Chaco. For those tracing local landmarks or the history of grazing in eastern Oregon, this sheet provides specific locations for Selle Gap and its surrounding basins, including Poison Basin and Juniper Basin.