O'Brien Hill rises as the central topographic focal point in this portion of Montana, situated where the borders of Wheatland, Golden Valley, and Stillwater counties converge. The landscape is defined by a network of drainage systems, including the headwaters of Fish Cr and Simmons Cr in the north, while Rock Cr and Van Winkle Cr carve through the southern and eastern reaches.
24 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
1893 · Big Snowy Mountain
USGS Topo · 1:250,000
1954 · Roundup
USGS Topo · 1:250,000
1958 · Roundup
USGS Topo · 1:250,000
1985 · Locomotive Butte
USGS Topo · 1:24,000
1985 · Locomotive Butte SW
USGS Topo · 1:24,000
1985 · Locomotive Butte SE
USGS Topo · 1:24,000
1985 · Progress
USGS Topo · 1:24,000
1985 · O'Brien Hill
USGS Topo · 1:24,000
1985 · Gibson
USGS Topo · 1:24,000