
Beulah Reservoir dominates the landscape of this eastern Oregon region, situated at the confluence of several key drainages including the North Fork Malheur River and Castle Rock Cr. The settlement of Beulah sits just south of the reservoir's dam, marking a hub of local activity near the Agency Valley. This area is characterized by a high concentration of water sources such as Box Spring, Cherry Spring, and Thorn Spring, which are vital in this arid environment. Evidence of local ranching and transportation infrastructure is clear through named landmarks like the Murphy Ranch Airport and the network of roads including Beal Ranch Rd and Agency Mountain Rd. Genealogists can find the Agency Valley Cem located north of the reservoir, while the surrounding terrain rises to significant points like Agency Mtn.
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This is the sole edition of this map. No revisions or reprints were ever made.
1908 · Ironside Mountain
USGS Topo · 1:125,000
1955 · Burns
USGS Topo · 1:250,000
1955 · Canyon City
USGS Topo · 1:250,000
1958 · Burns
USGS Topo · 1:250,000
1959 · Burns
USGS Topo · 1:250,000
1959 · Canyon City
USGS Topo · 1:250,000
1966 · Beulah
USGS Topo · 1:62,500
1968 · Drewsey
USGS Topo · 1:62,500
1970 · Flag Prairie
USGS Topo · 1:62,500
1970 · Castle Rock
USGS Topo · 1:62,500