
Rockport Colony stands as a primary focal point in this 1980s landscape of Teton County, situated on the edge of the expansive Porter Bench. The terrain is defined by the incision of watercourses like the Dry Fork Marias River and its various tributaries, including the South Fork and Soap Creek, which carve through the plains. The presence of the Bynum Canal in the southeastern corner indicates the critical role of irrigation and water management for agriculture in this region of Montana.
15 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1903 · Saypo
USGS Topo · 1:125,000
1914 · Heart Butte
USGS Topo · 1:125,000
1918 · Heart Butte
USGS Topo · 1:125,000
1920 · Choteau
USGS Topo · 1:125,000
1920 · Dupuyer
USGS Topo · 1:125,000
1936 · Pendroy
USGS Topo · 1:48,000
1941 · Pendroy
USGS Topo · 1:62,500
1955 · Choteau
USGS Topo · 1:250,000
1957 · Choteau
USGS Topo · 1:250,000
1958 · Choteau
USGS Topo · 1:250,000