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2020 Map of Lefevre Prairie

Name: 2020 Topographic Map of Lefevre Prairie
Creator: U.S. Geological Survey
Published: 2020
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2020

About this map

Lonerock sits at the northern edge of a landscape defined by deep drainages and upland grasslands where Gilliam, Morrow, and Wheeler counties converge. The terrain is a complex network of canyons, including Pullen Canyon and Little Dutch Canyon, which channel seasonal water toward the lower elevations. Much of the southern portion is managed as part of the Umatilla National Forest, reflecting the transition from open grazing land to timbered national forest territory.

Upland features such as Lefevre Prairie, Pool Prairie, and Lee Prairie illustrate the high-altitude meadow systems typical of this part of Oregon. Local history and genealogy are anchored at the Lonerock Cem, while water management is noted at sites like the Brandenburg Reservoir and Perry Spring. This 2020 edition documents a remote rural landscape where public land boundaries and isolated water sources dictate the patterns of human activity and land use.