
Kaniksu National Forest and Kootenai National Forest meet at the jagged crest of the Purcell Mountains, marking the high-altitude boundary between Idaho and Montana. This survey documents a landscape defined by dramatic elevation changes, where peaks like Reno Mtn and Keno Mtn overlook a complex network of drainages including Hellroaring Creek and Skin Creek. The presence of several high-country lakes, most notably Solomon Lake and Perkins Lake, provides a crucial reference for those tracing the historical accessibility of this borderland.
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This is the sole edition of this map. No revisions or reprints were ever made.
1911 · Priest Lake
USGS Topo · 1:250,000
1913 · Priest Lake
USGS Topo · 1:250,000
1957 · Kalispell
USGS Topo · 1:250,000
1958 · Sandpoint
USGS Topo · 1:250,000
1960 · Kalispell
USGS Topo · 1:250,000
1961 · Kalispell
USGS Topo · 1:250,000
1963 · Sandpoint
USGS Topo · 1:250,000
1963 · Mount Baldy
USGS Topo · 1:24,000
1963 · Northwest Peak
USGS Topo · 1:24,000
1963 · Newton Mountain
USGS Topo · 1:24,000