The settlement of Corvallis serves as the focal point of this western Montana landscape, situated in the valley just west of the Bitterroot National Forest boundary. This area is characterized by a dense network of local roads and family-named landmarks, such as Quast and Cobb, which suggest a long history of agricultural and orchard use. Indeed, names like Mountain View Orchard Rd and Wild Apple Rd point to the valley's productive heritage. To the east, the terrain rises sharply into the foothills of the Sapphire Mountains, where numerous drainages like Soft Rock Cr and Coalpit Cr emerge from the forest. Researchers will find significant local history markers including the Corvallis Cem and Shimmon Airport, alongside distinct geographic features like Chaffin Butte and Charleys Gulch.
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1901 · Hamilton
USGS Topo · 1:125,000
1909 · Sapphire
USGS Topo · 1:125,000
1947 · Butte
USGS Topo · 1:250,000
1956 · Hamilton
USGS Topo · 1:250,000
1958 · Butte
USGS Topo · 1:250,000
1959 · Hamilton
USGS Topo · 1:250,000
1960 · Butte
USGS Topo · 1:250,000
1960 · Hamilton
USGS Topo · 1:250,000
1962 · Butte
USGS Topo · 1:250,000
1964 · Hamilton
USGS Topo · 1:250,000