
Columbia River frontage defines this borderland landscape between Washington and Oregon, where transportation corridors have long dictated the rhythm of local commerce. On the northern bank, small stopping points like Moonax and Moona sit near the water, while the settlement of Sixprong and the Sixprong Ranch are situated further inland along the drainage of Sixprong Creek. The presence of Heppner Junction on the southern shore highlights the area's role as a transit node, linking river traffic with road and rail networks. This 2011 survey documents the established infrastructure of the region, from the primary route of Frontage Rd to more isolated landmarks like Willow Lake and McCredie, reflecting a sparse but vital layout of ranching and river-side industry along the Columbia Gorge.
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This is the sole edition of this map. No revisions or reprints were ever made.
1906 · Blalock Island
USGS Topo · 1:125,000
1908 · Blalock Island
USGS Topo · 1:125,000
1916 · Arlington
USGS Topo · 1:125,000
1953 · Pendleton
USGS Topo · 1:250,000
1953 · The Dalles
USGS Topo · 1:250,000
1956 · The Dalles
USGS Topo · 1:250,000
1956 · Pendleton
USGS Topo · 1:250,000
1957 · The Dalles
USGS Topo · 1:250,000
1962 · Phinny Hill
USGS Topo · 1:24,000
1962 · Alderdale
USGS Topo · 1:24,000