
The Lower Powder Valley serves as a focal point for this eastern Oregon landscape, where the Powder River meanders through a complex network of agricultural irrigation. A deep history of water management is visible through numerous named canals, including the Kennedy Ditch, Basche Ditch, and Emele Ditch, which redirect water across the valley floor to support local ranching and farming. High above the valley, the terrain is cut by significant drainages like Big Rattlesnake Creek and Beagle Creek.
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This is the sole edition of this map. No revisions or reprints were ever made.
1901 · Baker City
USGS Topo · 1:125,000
1906 · Telocaset
USGS Topo · 1:125,000
1955 · Baker
USGS Topo · 1:250,000
1955 · Grangeville
USGS Topo · 1:250,000
1959 · Baker
USGS Topo · 1:250,000
1959 · Grangeville
USGS Topo · 1:250,000
1965 · Flagstaff Butte
USGS Topo · 1:24,000
1965 · Medical Springs
USGS Topo · 1:24,000
1965 · Telocaset
USGS Topo · 1:24,000
1967 · Sawtooth Ridge
USGS Topo · 1:24,000