
Challis National Forest defines the high-country character of this Custer County landscape during the late 1980s. The drainage network is dense and intricately mapped, with Pats Creek and Challis Creek carving through the terrain alongside numerous seasonal and permanent flows like Eddy Creek and Darling Creek. The map documents a rugged environment where human activity is primarily industrial and remote, evidenced by several prospects and a Gravel Pit located in the southern reaches. High-altitude features like Jeffs Flats and Slab Barn Lake provide topographic context for the region, while the presence of Water Filtration Ponds near Garden Creek indicates the infrastructure required to manage resources in this high-elevation watershed. Navigation is limited to 4wd tracks and unimproved trails, emphasizing the area's isolation during this era of U.S. Forest Service management.
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This is the sole edition of this map. No revisions or reprints were ever made.
1929 · Bayhorse
USGS Topo · 1:125,000
1956 · Challis
USGS Topo · 1:62,500
1956 · Twin Peaks
USGS Topo · 1:62,500
1957 · Challis
USGS Topo · 1:250,000
1960 · Challis
USGS Topo · 1:250,000
1963 · Challis
USGS Topo · 1:250,000
1963 · Bayhorse Lake
USGS Topo · 1:24,000
1963 · Bayhorse
USGS Topo · 1:24,000
1963 · Clayton
USGS Topo · 1:62,500
1963 · Lone Pine Peak
USGS Topo · 1:62,500