T L Gap serves as a prominent geographic point in this section of Teton County, where the high Montana plains are dissected by a network of seasonal drainage channels. The Teton River cuts through the northern portion of the landscape, while the central and southern reaches are defined by the elevated surfaces of Teton Ridge and Bole Bench. This 2014 survey reveals a highly organized agricultural grid, with long straight roads like 17th Rd NE and 11th Rd NE providing access to the vast acreage between the coulees. The topographic character of the region is punctuated by deep erosional features, including Antelope Coulee and Coyote Coulee, which highlight the steady movement of water across this arid environment. The primary artery of MT-221 bisects the quadrangle, connecting the remote farmsteads and ranching lands that dominate the local economy.
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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
1950 · Fairfield
USGS Topo · 1:62,500
1950 · Collins
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 · Choteau
USGS Topo · 1:62,500