Simms serves as the primary hub for this agricultural area of Cascade County, characterized by a sophisticated network of irrigation infrastructure including the Crown Butte Canal and Fort Shaw Canal. The landscape is punctuated by prominent natural landmarks like Crown Butte and Eagle Rock, the latter of which sits near the Eagle Rock Mine. This survey illustrates how water management has shaped the high plains, with the Huterite Colony Dam and Deiphobus Dam providing critical reservoir capacity along the creek systems.
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This is the sole edition of this map. No revisions or reprints were ever made.
1886 · Great Falls
USGS Topo · 1:250,000
1920 · Choteau
USGS Topo · 1:125,000
1943 · Hogan
USGS Topo · 1:125,000
1950 · Fairfield
USGS Topo · 1:62,500
1954 · Great Falls
USGS Topo · 1:250,000
1955 · Choteau
USGS Topo · 1:250,000
1957 · Choteau
USGS Topo · 1:250,000
1957 · Great Falls
USGS Topo · 1:250,000
1958 · Choteau
USGS Topo · 1:250,000
1960 · Simms
USGS Topo · 1:62,500