Island Park serves as a central hub in this high-altitude landscape where the headwaters of the Henrys Fork river emerge. The terrain is a complex mix of riparian basins and mountain slopes, dominated by the expansive Henrys Lake Flat and the eastern edge of Henrys Lake. Local land use is reflected in the distribution of private holdings such as Mickelson Ranch, Orme Ranch, and Kooch Ranch, which sit alongside the protected boundaries of the Targhee National Forest. The geography is defined by a dense network of watercourses, including Meadow Creek and Stephens Cr, which drain from the Henrys Lake Mountains to the north and the high canyons like Garner Canyon. Significant local landmarks include the prominent Sawtell Peak Rd and the biological diversity found at Stamp Meadows, illustrating the area's role as both a recreational gateway and a working ranching landscape in Fremont County.
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This is the sole edition of this map. No revisions or reprints were ever made.
1955 · Ashton
USGS Topo · 1:250,000
1957 · Buffalo Lake
USGS Topo · 1:62,500
1958 · Ashton
USGS Topo · 1:250,000
1958 · West Yellowstone
USGS Topo · 1:62,500
1960 · Ashton
USGS Topo · 1:250,000
1964 · Island Park
USGS Topo · 1:24,000
1964 · Island Park Dam
USGS Topo · 1:24,000
1964 · Targhee Pass
USGS Topo · 1:24,000
1964 · Targhee Peak
USGS Topo · 1:24,000
1964 · Sawtell PK
USGS Topo · 1:24,000