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1990 Map of Devine Ridge South

Name: 1990 Topographic Map of Devine Ridge South
Creator: U.S. Geological Survey
Published: 1990
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1990

About this map

Devine Ridge dominates this high-desert landscape in Oregon, marking a transition from the wooded boundaries of the Malheur National Forest to the open expanses of the Harney Valley. Water is the defining resource here, evident in the numerous named sources like Widow Spring, Petersen Spring, and Soldier Spring that dot the higher elevations. These springs feed a network of drainages including Byrd Canyon and Prater Creek, which cut through the steep topography before leveling out toward the south.

Evidence of local resource use is found in the northern reaches with a noted Prospect and Gravel Pit. To the south, the terrain softens significantly at Sand Hill, where the drainage of Poison Creek enters the flatter valley floor. This 1990 survey provides a clear view of the complex hydrology and canyon systems, such as Gradon Canyon and Tudor Canyon, that characterize this portion of Harney County.