
The Snake River defines the border between Idaho and Oregon in this 1950s survey, where the river's path shaped the agricultural and transport infrastructure of Washington County. Irrigation is central to the landscape, with the Galloway Canal, Scott Lateral, and Jenkins Canal drawing water toward the fertile Flat lands. The presence of the Union Pacific railroad and the Old Oregon Trail Highway underscores this area's role as a vital corridor for western movement and commerce.
41 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1897 · Weiser
USGS Topo · 1:125,000
1951 · Moores Hollow
USGS Topo · 1:24,000
1951 · Moores Hollow
USGS Topo · 1:62,500
1951 · Weiser South
USGS Topo · 1:24,000
1952 · Olds Ferry NW
USGS Topo · 1:24,000
1952 · Olds Ferry
USGS Topo · 1:24,000
1952 · Olds Ferry
USGS Topo · 1:62,500
1953 · Mann Creek
USGS Topo · 1:62,500
1955 · Baker
USGS Topo · 1:250,000
1959 · Baker
USGS Topo · 1:250,000