Eyraud Lakes and a series of deep drainages define this stretch of the high plains along the Teton and Pondera County line. The landscape is marked by the distinct hydraulic patterns of the northern prairies, where Railroad Coulee, South Pondera Coulee, and Brady Coulee carve through the terrain. These natural watercourses dictated the placement of the rural road network, with routes like Arod Lakes Rd and W Valley Rd navigating the breaks. The presence of Farmers Coulee and Kropp Coulee in the southern sections further illustrates the complex drainage system feeding into the larger regional basins. This survey captures a rural Montana infrastructure built on land sectioning and resource access, evidenced by the proximity of Gravel Pit Rd and numerous access trails servicing the agricultural and ranching interior during the early 21st century.
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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
1920 · Dupuyer
USGS Topo · 1:125,000
1920 · Conrad
USGS Topo · 1:125,000
1938 · Gallup City
USGS Topo · 1:62,500
1942 · Gallup City
USGS Topo · 1:62,500
1950 · Collins
USGS Topo · 1:62,500
1954 · Great Falls
USGS Topo · 1:250,000
1954 · Shelby
USGS Topo · 1:250,000
1955 · Choteau
USGS Topo · 1:250,000