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1979 Map of Rockhouse Reservoir

Name: 1979 Topographic Map of Rockhouse Reservoir
Creator: U.S. Geological Survey
Published: 1980
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1980

About this map

Indian Fort Creek and its many seasonal tributaries dominate this high-desert portion of Malheur County, where water management defines the human footprint. Water infrastructure, though sparse, is critical to the utility of the land, as seen with Rockhouse Reservoir and its associated Aqueduct. These features, along with Hardin Spring and Blevens Reservoir, suggest a landscape utilized for livestock or rangeland purposes in the late twentieth century.

Surface navigation through this remote southeastern Oregon terrain is primarily limited to a singular Jeep Trail winding through the southeastern corner near Dry Creek. The landscape transitions into the expansive White Mule Flat, a name that hints at the area's local ranching history or pioneering era. This 1979 survey records a high-plateau environment where elevation and intermittent water sources like Indian Fort Creek are the primary markers of location.