
Yellowstone River drainage patterns define this modern Sweet Grass County landscape, where an intricate network of irrigation infrastructure supports the valley. Extensive water management systems including the Hunters Hot Springs Canal, Prather Mayborn Westfall Ditch, and Post-Kellogg Ditch underscore the region's agricultural dependency on the river. The small settlement of Carney sits along the transport corridor that follows the river's path, intersected by historic routes like N Yellowstone Trail Rd.
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1891 · Livingston
USGS Topo · 1:250,000
1891 · Big Timber
USGS Topo · 1:125,000
1893 · Livingston
USGS Topo · 1:250,000
1893 · Big Timber
USGS Topo · 1:125,000
1947 · Bozeman
USGS Topo · 1:250,000
1948 · Bozeman
USGS Topo · 1:250,000
1951 · Grosfield Ranch
USGS Topo · 1:24,000
1951 · Raspberry Butte
USGS Topo · 1:24,000
1951 · Kelly Hills
USGS Topo · 1:24,000
1951 · Springdale
USGS Topo · 1:24,000