The Lochsa River carves a deep path through Idaho County, anchoring a landscape defined by sharp elevation changes and numerous tributary drainages. Along this central waterway, small level areas such as Beaver Flat and Boulder Flat provide rare breaks in the terrain, serving as vital access points in this backcountry region. The Wilderness Gateway Pack Bridge crossing Sherman Creek highlights the area's reliance on specialized infrastructure for mountain travel.
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This is the sole edition of this map. No revisions or reprints were ever made.
1911 · Lolo
USGS Topo · 1:250,000
1913 · Lolo
USGS Topo · 1:250,000
1956 · Hamilton
USGS Topo · 1:250,000
1959 · Hamilton
USGS Topo · 1:250,000
1960 · Hamilton
USGS Topo · 1:250,000
1964 · Hamilton
USGS Topo · 1:250,000
1966 · Coolwater Mtn
USGS Topo · 1:24,000
1966 · Weitas Butte
USGS Topo · 1:24,000
1966 · Chimney Peak
USGS Topo · 1:24,000
1966 · Fenn Mountain
USGS Topo · 1:24,000