Edaho Mtn and the surrounding wilderness of the Boise National Forest dominate this high-elevation terrain where the headwaters of two major river systems nearly meet. The northern edge follows the South Fork Payette River, while the southern reaches are defined by the winding course of the N Fork Boise River. This transition zone is marked by numerous drainage basins, including those of McLeod Cr and Ballentyne Cr, showing a landscape primarily shaped by water and elevation rather than human industry. Evidence of historic habitation is sparse, though Deadman Cabin sits near Big Meadows, suggesting the area's use by early trappers or forest rangers. The survey also highlights the jagged boundary between Boise and Elmore Counties, which follows the high ridges connecting peaks like Picket Mtn and Bugle Mtn.
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1891 · Bear Valley
USGS Topo · 1:125,000
1893 · Bear Valley
USGS Topo · 1:125,000
1894 · Rocky Bar
USGS Topo · 1:125,000
1955 · Hailey
USGS Topo · 1:250,000
1957 · Challis
USGS Topo · 1:250,000
1959 · Hailey
USGS Topo · 1:250,000
1960 · Challis
USGS Topo · 1:250,000
1962 · Hailey
USGS Topo · 1:250,000
1963 · Challis
USGS Topo · 1:250,000
1972 · Tyee Mountain
USGS Topo · 1:24,000