Dorner School stands as a central landmark in this high plains landscape of Chouteau County, where the topography is defined by the deep incisions of coulees into the surrounding plateau. The drainage patterns of Dugout Coulee and East Dugout Coulee carve through the center of the survey, while Chimney Rock Coulee dictates the terrain in the southeastern corner. This region's agricultural and ranching infrastructure is visible through a network of section-line and canyon-hugging routes, including Buck Bridge Rd and McLeish Rd. The map illustrates the transition between township grids, specifically where t27n r6e meets t27n r7e, reflecting the systematic settlement and land division of north-central Montana. The placement of Dugout Rd W and Brady Rd E highlights how local transportation routes were adapted to the varying elevations of this open prairie environment.
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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
1890 · Fort Benton
USGS Topo · 1:250,000
1892 · Fort Benton
USGS Topo · 1:250,000
1897 · Fort Benton
USGS Topo · 1:250,000
1950 · Dent Bridge
USGS Topo · 1:62,500
1954 · Great Falls
USGS Topo · 1:250,000
1954 · Shelby
USGS Topo · 1:250,000
1957 · Great Falls
USGS Topo · 1:250,000
1958 · Shelby
USGS Topo · 1:250,000
1970 · Penzer School
USGS Topo · 1:24,000