Lolo National Forest dominates this mountain landscape in western Montana, where high peaks and deep drainages define the topography. The Blackfoot River carves through the southern portion of the sheet, providing a corridor for the settlement of Bonner and the nearby community of Miller. Significant elevation changes are marked by prominent summits like Sheep Mtn and Woody Mtn, while Wisherd Ridge separates the winding Rattlesnake Cr from the W Twin Cr basin. Evidence of timber and resource access is seen in the network of forest roads and trails, including Twin Creek Rd and the Cowboy Trl. Historical infrastructure is preserved through labeled landmarks such as the Marco Flat Bridge and Wisherd Bridge, reflecting the essential river crossings that linked these isolated valley settlements to the broader Missoula County region.
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1903 · Bonner
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
1957 · Choteau
USGS Topo · 1:250,000
1958 · Butte
USGS Topo · 1:250,000
1958 · Choteau
USGS Topo · 1:250,000
1960 · Butte
USGS Topo · 1:250,000
1962 · Choteau
USGS Topo · 1:250,000
1962 · Butte
USGS Topo · 1:250,000