Lake Koocanusa and the Kootenai River dominate the eastern drainage of this high-elevation landscape within the Kootenai National Forest. The terrain is defined by the sharp verticality of the Purcell Mountains, where prominent peaks like Lawrence Mountain and Ziegler Mountain rise above complex drainage systems. Waterways such as Ural Cr, Hickey Cr, and Barron Cr carve through the steep topography, illustrating the watershed's flow toward the reservoir.
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This is the sole edition of this map. No revisions or reprints were ever made.
1920 · Jennings
USGS Topo · 1:125,000
1935 · Thompson Lakes
USGS Topo · 1:96,000
1942 · Thompson Lakes
USGS Topo · 1:125,000
1957 · Kalispell
USGS Topo · 1:250,000
1960 · Kalispell
USGS Topo · 1:250,000
1961 · Kalispell
USGS Topo · 1:250,000
1963 · Vermiculite Mountain
USGS Topo · 1:24,000
1963 · Mc Guire Mountain
USGS Topo · 1:24,000
1963 · Banfield Mountain
USGS Topo · 1:24,000
1963 · Cripple Horse Mountain
USGS Topo · 1:24,000