Agricultural operations and water management define this landscape in Deer Lodge County, most notably at the Montana State Prison Ranch Number 2 and the Perkins Ranch. The terrain is marked by an intricate network of irrigation and natural waterways, including the West Side Canal, Morrison Ditch, and the higher-elevation Powell Reservoirs. These systems feed into larger drainages like Dempsey Creek and Racetrack Creek, which flow toward the Clark Fork valley in the southeast.
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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 · Helena
USGS Topo · 1:250,000
1947 · Butte
USGS Topo · 1:250,000
1958 · Butte
USGS Topo · 1:250,000
1959 · Butte North
USGS Topo · 1:62,500
1959 · Deer Lodge
USGS Topo · 1:62,500
1960 · Butte
USGS Topo · 1:250,000
1961 · Anaconda
USGS Topo · 1:62,500