The Blackfoot River and its major tributary, the Landers Fork, define the drainage patterns of this high-altitude landscape in Helena National Forest. Irrigation efforts in the northern valley are evidenced by the Grosfield Ditch, while the steep southern terrain is carved by a series of drainages including Ethel Gulch, Rochester Gulch, and Davis Gulch. These features, along with Crater Mtn, reflect the topography of the Continental Divide region. The network of forest roads such as Stemple Pass Rd and Humbug Contour Rd provides insight into the accessibility of this timber and mining country. Small-scale development appears along Patterson Loop and Snow Fleury Ln, showing the modern human footprint within the larger wilderness context.
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This is the sole edition of this map. No revisions or reprints were ever made.
1889 · Helena
USGS Topo · 1:250,000
1893 · Helena
USGS Topo · 1:250,000
1899 · Helena
USGS Topo · 1:250,000
1903 · Coopers Lake
USGS Topo · 1:125,000
1903 · Helena
USGS Topo · 1:250,000
1943 · Hogan
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