Sun River and its accompanying riverbank settlement anchor this landscape at the intersection of Teton and Cascade counties. The topography is defined by prominent plateaus including First Bench, Ashuelot Bench, and Taft Hill, which rise above the river valley. The region's hydraulic history is visible through a complex network of irrigation and drainage infrastructure, such as the Sun River Valley Ditch, Greenfield S Canal, and GS 51 Ditch, which were essential for transforming these semi-arid terraces into productive land.
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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
1949 · Cascade
USGS Topo · 1:62,500
1949 · Vaughn
USGS Topo · 1:62,500
1950 · Fairfield
USGS Topo · 1:62,500
1951 · Cascade
USGS Topo · 1:62,500
1952 · Vaughn
USGS Topo · 1:62,500
1954 · Great Falls
USGS Topo · 1:250,000
1957 · Great Falls
USGS Topo · 1:250,000
1960 · Simms
USGS Topo · 1:62,500
1976 · Great Falls North
USGS Topo · 1:100,000