Castle Butte rises above a landscape defined by an intricate network of drainages and canyons in this part of Fergus County. The terrain is marked by significant topographical relief, where Lyon Canyon and Hay Canyon carve through the southern reaches of the quadrangle. A system of namesake ranch roads, including Castle Creek Rd and Mill Creek Rd, provides access to these elevations and follows the natural contours of the land. Waterways like Casino Cr and Cottonwood Cr illustrate the drainage patterns typical of central Montana's high plains and mountain foothills. The alignment of roads such as Single Pine Rd and Natal Rd reveals the persistent rural layout of this region, maintaining a quiet continuity across the t14n r18e and t13n r18e townships.
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1889 · Big Snowy Mountain
USGS Topo · 1:250,000
1893 · Big Snowy Mountain
USGS Topo · 1:250,000
1941 · Lewistown
USGS Topo · 1:62,500
1944 · Lewistown
USGS Topo · 1:62,500
1954 · Roundup
USGS Topo · 1:250,000
1954 · Lewistown
USGS Topo · 1:250,000
1958 · Roundup
USGS Topo · 1:250,000
1959 · Lewistown
USGS Topo · 1:250,000
1970 · Glengarry
USGS Topo · 1:24,000
1970 · Crystal Lake
USGS Topo · 1:24,000