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2011 Map of Threemile Hill

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

USGS Topo · Published 2011

About this map

Jordan Creek and its associated irrigation systems define this high-desert landscape in Malheur County. The presence of the North Side Canal and South Side Canal underscores the vital role of water management in this arid ranching territory, supporting operations like the White Ranch and Ancil Miller Ranch. These homesteads are situated near the confluence of local drainage systems and historical transit routes like the Old Ion Hwy.

To the north and east, the terrain is marked by distinctive geological formations and water storage projects. Threemile Hill and the curiously named Holdup Rock stand as landmarks for travelers along the remote Lava Beds Rd. Several small-scale catchments, including Saddle Butte Reservoir, Alkali Reservoir, and Dixons Rock Reservoir, illustrate the extensive efforts to capture runoff in a region dominated by sagebrush and rocky outcroppings.