Loon Creek and its many high-country tributaries carve through this Custer County landscape, forming a complex drainage network typical of central Idaho's interior. In the center of the quadrangle, Knapp Lakes sit as a cluster of alpine water bodies, joined nearby by the distinctively named Horseshoe Lake and Fish Lake. To the east, the topography rises toward Mount Loening and Cabin Creek Peak, marking the divide where waters flow toward Tango Creek and Crimson Lake. The southern reaches are defined by the West Fork Yankee Fork and Hindman Lake, while the western edge shows the headwaters of Winnemucca Creek. This 2011 survey records a wilderness largely defined by its natural hydrology and prominent peaks, with very little human infrastructure beyond basic forest roads and trails.
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This is the sole edition of this map. No revisions or reprints were ever made.
1891 · Bear Valley
USGS Topo · 1:125,000
1893 · Bear Valley
USGS Topo · 1:125,000
1919 · Custer
USGS Topo · 1:125,000
1922 · Custer
USGS Topo · 1:125,000
1930 · Casto
USGS Topo · 1:125,000
1957 · Challis
USGS Topo · 1:250,000
1960 · Challis
USGS Topo · 1:250,000
1961 · Greyhound Ridge
USGS Topo · 1:62,500
1963 · Challis
USGS Topo · 1:250,000
1963 · Pinyon Peak
USGS Topo · 1:24,000