
The Okanogan River carves a deep valley through this north-central Washington landscape, serving as a primary corridor for both the Burlington Northern railroad and small agricultural communities. The settlement of Ellisforde sits on the eastern bank, supported by a network of siphons and flumes that irrigate the valley floor. Near the riverside, local civic life is anchored by a Grange Hall and a small Cem, while a Landing Strip and Radio Facility point toward modern infrastructure. To the west, the terrain rises sharply toward Whisky Mountain and Whitestone Mountain, where the geography transitions from the irrigated Whitestone Flats to high-elevation water bodies like Poison Lake and Crater Lakes. The presence of the Lucky Knock Mine and various prospects suggests a history of mineral exploration in the foothills of the Okanogan National Forest.
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This is the sole edition of this map. No revisions or reprints were ever made.
1902 · Osoyoos
USGS Topo · 1:125,000
1904 · Osoyoos
USGS Topo · 1:125,000
1906 · Chopaka
USGS Topo · 1:125,000
1954 · Okanogan
USGS Topo · 1:250,000
1956 · Loomis
USGS Topo · 1:62,500
1957 · Conconully
USGS Topo · 1:62,500
1957 · Tonasket
USGS Topo · 1:62,500
1957 · Oroville
USGS Topo · 1:62,500
1958 · Okanogan
USGS Topo · 1:250,000
1975 · Oroville NW
USGS Topo · 1:24,000