
The high-altitude terrain of the Jefferson Madison County Line dominates this late-twentieth-century survey, revealing a landscape defined by its historical mining activity. Resource extraction footprints are visible across the slopes of the Beaverhead National Forest and Deerlodge National Forest, where a network of mine shafts and specific operations like the Argenta Mine and Eleanora Mines cluster around the peaks. The drainage patterns of Bear Gulch and Goodrich Gulch cut through the steep topography, while names such as Smelter Mountain and the Pete and Joe Mine provide evidence of the individual prospects and industrial efforts that shaped this part of Montana. Water sources like Smith Reservoir and Lower Boulder Lake are mapped alongside the remote peaks of Old Baldy Mountain and Lava Mountain, illustrating the rugged intersections of the continental divide's geology and its economic history.
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.
1893 · Dillon
USGS Topo · 1:250,000
1955 · Dillon
USGS Topo · 1:250,000
1957 · Dillon
USGS Topo · 1:250,000
1958 · Dillon
USGS Topo · 1:250,000
1960 · Twin Bridges
USGS Topo · 1:62,500
1960 · Waterloo
USGS Topo · 1:62,500
1962 · Dillon
USGS Topo · 1:250,000
1962 · Beaverhead Rock NE
USGS Topo · 1:24,000
1963 · Sheridan
USGS Topo · 1:24,000
1963 · Copper Mountain
USGS Topo · 1:24,000