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2011 Map of McCoy Ridge

Name: 2011 Topographic Map of McCoy Ridge
Creator: U.S. Geological Survey
Published: 2011
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2011

About this map

McCoy Ridge defines the eastern horizon of this high-desert landscape in Harney County, where water management is the primary driver of human activity. The map reveals a network of man-made catchments and reservoirs, including Thompson Reservoir, Gil Thompson Reservoir, and the centrally located Sagehen Reservoir. These water sources, along with features like Antelope Reservoir and Knob Spring Reservoir, support a sparse but persistent ranching presence in the region.

Evidence of seasonal occupation and land use appears through widely scattered landmarks such as Catherson Cabin near Moon Hill and Patterson Cabin further south. The drainage patterns of Little Bridge Creek, Big Bridge Creek, and Little Fir Creek illustrate how seasonal runoff is captured across the territory. This 2011 survey captures the area’s reliance on these vital water points for livestock and land management, connected by remote routes like Fish Lake Rd.