
The Saint Regis River valley serves as the primary corridor through these mountains, where the historic Hiawatha and the Route Of The Olympian / Milwaukee Rd trace the path of former rail lines. These routes are shadowed by modern I-90, connecting the small communities of Henderson, De Borgia, and Cabin City. The landscape is dominated by the steep rises of the Bitterroot Mountains and Coeur d'Alene Mountains, providing a look at the intersection of high-country wilderness and vital transportation infrastructure.
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1918 · St Regis
USGS Topo · 1:125,000
1919 · St. Regis
USGS Topo · 1:125,000
1956 · St Regis
USGS Topo · 1:62,500
1956 · Wallace
USGS Topo · 1:250,000
1957 · Illinois Peak
USGS Topo · 1:62,500
1957 · Haugan
USGS Topo · 1:62,500
1957 · Simmons Peak
USGS Topo · 1:62,500
1960 · Wallace
USGS Topo · 1:250,000
1988 · Torino Peak
USGS Topo · 1:24,000
1988 · Penrose Peak
USGS Topo · 1:24,000