Upper Glaston Lake and the Lake Adam Upper Reservoir serve as central water features in this high-plains landscape of Sweet Grass County. The drainage network is defined by several seasonal and perennial streams, including Rock Cr, Dead Beaver Cr, and Sweet Grass Cr, which carve through the terrain east of the Franklin Hills. The presence of Cottonwood Springs suggests vital water access points in a region dominated by ranching and open range land.
18 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.
1889 · Big Snowy Mountain
USGS Topo · 1:250,000
1891 · Big Timber
USGS Topo · 1:125,000
1893 · Big Snowy Mountain
USGS Topo · 1:250,000
1893 · Big Timber
USGS Topo · 1:125,000
1954 · Otter Creek School
USGS Topo · 1:24,000
1954 · Ryan Creek
USGS Topo · 1:24,000
1954 · Billings
USGS Topo · 1:250,000
1954 · Roundup
USGS Topo · 1:250,000
1957 · Billings
USGS Topo · 1:250,000
1957 · Sourdough School
USGS Topo · 1:24,000