
The Yellowstone River and Big Horn River converge in this 1970s landscape, shaping the development of Treasure and Yellowstone counties. Small agricultural communities like Hysham and Custer are tied together by a transport corridor including Interstate 94, U S Highway 10, and the Burlington Northern railroad. The geography reveals a transition from the river bottomlands at Pease Bottom to the higher, more broken terrain of Bull Mtn and Newton Grove. North of the river, the Chicago Milwaukee St Paul and Pacific rail line cuts through the prairie, passing through Vananda. This period shows the region's ranching and transit infrastructure, including the Hysham Airport and numerous named coulees like Daveny Coulee and Scraper Coulee, which provided natural drainage and navigation points across the expansive Montana cattle country.
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This is the sole edition of this map. No revisions or reprints were ever made.
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