
The rolling prairies of the Montana high plains are defined here by the winding course of South Pondera Coulee and the adjacent seasonal drainage of Kropp Coulee. This 1960s landscape showcases the intersection of hydraulic geography and industrial transit, with the Great Northern railroad cutting through the northeastern corner of the map. The rail line is flanked by several Gravel Pit sites, signaling the infrastructure needs of the era. To the south, the Eyraud Lakes occupy a lower basin, while the boundary between Pondera Co and Teton Co crosses the terrain. The map is a study in prairie hydrology and the sparse but vital transport networks that supported the region's ranching and industrial interests during the mid-twentieth 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