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1992 Map of Donnelly Butte

Name: 1992 Topographic Map of Donnelly Butte
Creator: U.S. Geological Survey
Published: 1997
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1997

About this map

Donnelly Butte anchors this high-elevation landscape within the Ochogo National Forest, serving as a central landmark for the surrounding terrain. The map details a complex network of springs and drainages that supported the seasonal grazing and resource extraction economies of Harney County. Prominent features like Howard Ridge and Wickup Canyon define the area's sharp relief, while high-altitude openings such as Boone Prairie provide a contrast to the timbered slopes.

Water sources are the primary indicators of human activity and land management, with dozens of named points including Duffy Prairie Spring, Bullseye Spring, and Big Howard Spring. The industrial history of the forest is evidenced by identified Prospects and a Quarry, suggesting the geological exploration common to this region of Oregon. The precision of the Mineral Canyon Creek drainage and various stock ponds reflects the intensive survey work required for federal forest management in the late twentieth century.