Grant-Kohrs Ranch National Historic Site anchors the southeastern portion of this landscape, preserving the legacy of open-range cattle ranching in the American West. The settlement of Garrison sits to the north, situated near the confluence of Willow Cr and drainage from Dry Gulch. This 2017 survey reveals a complex system of water management essential for high-plains agriculture, including the Rock Cr Ditch, Pauly Ditch, and the W Side Canal.
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This is the sole edition of this map. No revisions or reprints were ever made.
1889 · Helena
USGS Topo · 1:250,000
1893 · Helena
USGS Topo · 1:250,000
1899 · Helena
USGS Topo · 1:250,000
1903 · Helena
USGS Topo · 1:250,000
1947 · Butte
USGS Topo · 1:250,000
1958 · Butte
USGS Topo · 1:250,000
1958 · Avon
USGS Topo · 1:62,500
1958 · Garrison
USGS Topo · 1:62,500
1959 · Deer Lodge
USGS Topo · 1:62,500
1960 · Butte
USGS Topo · 1:250,000