
Island Park Reservoir dominates the southern landscape of this Fremont County region, where the high-altitude waters meet the southern reaches of the Targhee National Forest. The map detail captures a complex network of seasonal drainages and named creeks including Icehouse Creek, Sheridan Creek, and Willow Creek that flow from the northern heights of the Eastern Centennial Mountains.
46 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.
1950 · Upper Red Rock Lake
USGS Topo · 1:62,500
1955 · Ashton
USGS Topo · 1:250,000
1958 · Ashton
USGS Topo · 1:250,000
1960 · Ashton
USGS Topo · 1:250,000
1964 · Island Park Dam
USGS Topo · 1:24,000
1964 · Sawtell PK
USGS Topo · 1:24,000
1964 · Last Chance
USGS Topo · 1:24,000
1964 · Henrys Lake
USGS Topo · 1:62,500
1965 · Icehouse Creek
USGS Topo · 1:24,000
1965 · Crystal Butte
USGS Topo · 1:24,000