
Nicholia sits at the northern edge of the Birch Creek Valley in Lemhi County, a landscape defined by high-elevation drainage systems and the steep eastern slopes of the Targhee National Forest. This 1981 data, published in 1987, reveals an environment where water sources like Magpie Spring, Keg Spring, and Sagebrush Spring were essential for the sparse human presence. The topography is deeply incised by numerous gulches, including Smelter Gulch and Viola Gulch, which hint at the region's historic mining activity and the transport routes required to move ore through the canyons.
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This is the sole edition of this map. No revisions or reprints were ever made.
1955 · Dubois
USGS Topo · 1:250,000
1956 · Nicholia
USGS Topo · 1:62,500
1957 · Diamond Peak
USGS Topo · 1:62,500
1957 · Scott Peak
USGS Topo · 1:62,500
1958 · Dubois
USGS Topo · 1:250,000
1969 · Blue Dome
USGS Topo · 1:24,000
1983 · Dubois
USGS Topo · 1:100,000
1987 · Eighteenmile Peak
USGS Topo · 1:24,000
1987 · Gilmore Summit
USGS Topo · 1:24,000
1987 · Diamond Peak
USGS Topo · 1:24,000