
Beaverhead National Forest defines this high-elevation landscape in the late 1990s, where the dramatic peaks of the Snowcrest Range separate the headwaters of the Ruby River from the northern drainages. The map reveals a complex hydrologic network, including Ledford Creek and the Big South Fork Ruby River, channeled through steep terrain marked by Spur Mountain and Sliderock Mountain. The absence of developed roads highlights the primitive character of the region during this era, with transit limited to routes like the Snowcrest Trail and the Gilbert Trail. Genealogists and historians can trace traditional passage points through the mountains at Ledford Pass and the distinctive geological break known as The Notch. This survey records a wild portion of Madison County where land use was primarily defined by the Second Standard Parallel South and the natural boundaries of the Centennial Divide.
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This is the sole edition of this map. No revisions or reprints were ever made.
1888 · Three Forks
USGS Topo · 1:250,000
1893 · Dillon
USGS Topo · 1:250,000
1894 · Three Forks
USGS Topo · 1:250,000
1895 · Three Forks
USGS Topo · 1:250,000
1947 · Bozeman
USGS Topo · 1:250,000
1948 · Bozeman
USGS Topo · 1:250,000
1949 · Varney
USGS Topo · 1:62,500
1950 · Monument Ridge
USGS Topo · 1:62,500
1955 · Bozeman
USGS Topo · 1:250,000
1955 · Dubois
USGS Topo · 1:250,000