
The Clark Fork river serves as the central artery of this mountain landscape, carving a valley between the Sapphire Mountains to the south and Mt Baldy to the north. In the heart of this corridor sits Byrne, a point of settlement where several significant routes converge, including the historic Mullan Rd and Weston Trail Rd. The map illustrates the transition from the river valley into the high timberlands of the Lolo National Forest, where steep drainages like Genoa Gulch and Van Curan Gulch lead toward more remote peaks.
38 named features on this map. Tap any name to fly to it.
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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
1919 · Drummond
USGS Topo · 1:125,000
1921 · Drummond
USGS Topo · 1:125,000
1947 · Butte
USGS Topo · 1:250,000
1958 · Butte
USGS Topo · 1:250,000
1959 · Bearmouth
USGS Topo · 1:62,500
1959 · Ravenna
USGS Topo · 1:62,500
1960 · Butte
USGS Topo · 1:250,000
1962 · Butte
USGS Topo · 1:250,000
1965 · Union Peak
USGS Topo · 1:24,000