
The Big Snowy Mountains dominate the northern terrain of this region, where the Lewis & Clark National Forest boundary marks a transition from open benchlands to the timbered slopes of the mountains. This 2024 map traces a complex network of drainages flowing southward from the high country, including East Fork Blake Creek and West Fork Blake Creek, which carve through the prominent Yaple Bench. The landscape reflects a mix of public forest lands and agricultural range, defined by long-established landmarks like Castle Rocks.
30 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
1970 · Crystal Lake
USGS Topo · 1:24,000
1970 · Moore SW
USGS Topo · 1:24,000
1970 · Jump Off Peak
USGS Topo · 1:24,000
1986 · Yaple Bench
USGS Topo · 1:24,000
1986 · Snow Saucer Coulee
USGS Topo · 1:24,000
1986 · Halbert Creek North
USGS Topo · 1:24,000