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1972 Map of Arock

Name: 1972 Topographic Map of Arock
Creator: U.S. Geological Survey
Published: 1975
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1975

About this map

Jordan Creek and Dry Creek dominate this high-desert landscape in southeastern Malheur County, where the small community of Arock sits near the local Jones Sch. The terrain is defined by dramatic volcanic and erosional features, including the Hidden Valley framed by a distinct Rim and the rugged basalt flows of the Lava field to the east. Water management is the central theme of this 1972 environment, evidenced by the North Side Canal and South Side Canal drawing from the creek systems to support local agriculture.

Local landmarks such as the Sheep Ranch and various impoundments like No Catchum Reservoir and Lynde Reservoir illustrate the challenges of ranching in this arid corner of Oregon. Transportation is limited to a network of unimproved routes and a Jeep Trail winding through Boney Canyon, reflecting the area's isolation near the Idaho border. These features together show a resilient ranching economy built around the life-giving waters of the Jordan Valley.