
The Horse Heaven Hills define the high upland landscape of this portion of Benton County, a region characterized by deep drainage systems and prominent peaks like Johnson Butte. The topography is etched by a series of significant geographic features, including Zintel Canyon, Prospect Canyon, and Fourmile Canyon, which cut through the elevated terrain. These natural corridors have long influenced local transit, as seen in the alignment of Bofer Canyon Rd through the eponymous Bofer Canyon. Transportation in this rural area relies on a network of established routes such as Beck Rd, Coffin Rd, and Owens Rd, which connect the scattered high-elevation points. Near the eastern edge, the landmark known as Jump Off Joe overlooks the surrounding slopes, reached by the dedicated Jump Off Joe Rd.
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This is the sole edition of this map. No revisions or reprints were ever made.
1908 · Umatilla
USGS Topo · 1:125,000
1917 · Pasco
USGS Topo · 1:125,000
1953 · Pendleton
USGS Topo · 1:250,000
1953 · Walla Walla
USGS Topo · 1:250,000
1956 · Pendleton
USGS Topo · 1:250,000
1958 · Walla Walla
USGS Topo · 1:250,000
1962 · Hat Rock
USGS Topo · 1:24,000
1962 · Juniper
USGS Topo · 1:24,000
1962 · Umatilla
USGS Topo · 1:24,000
1964 · Johnson Butte
USGS Topo · 1:24,000