Schley and Evaro sit at the critical mountain passage of the Coriacan Defile, where highway and rail corridors navigate the complex terrain of Missoula County. This 2020 survey illustrates the deep integration of infrastructure within the Lolo National Forest, specifically where the Marent Trestle spans the deep drainage of Marent Gulch. The landscape is defined by its verticality, rising from the valley floors to high points like Charity Peak and the Reservation Divide in the northwest, and TV Mtn in the southeast.
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This is the sole edition of this map. No revisions or reprints were ever made.
1903 · Bonner
USGS Topo · 1:125,000
1912 · Missoula
USGS Topo · 1:125,000
1921 · Elbow Lake
USGS Topo · 1:125,000
1947 · Butte
USGS Topo · 1:250,000
1955 · Choteau
USGS Topo · 1:250,000
1956 · Wallace
USGS Topo · 1:250,000
1956 · Hamilton
USGS Topo · 1:250,000
1957 · Choteau
USGS Topo · 1:250,000
1958 · Butte
USGS Topo · 1:250,000
1958 · Choteau
USGS Topo · 1:250,000