Three Rivers Peak stands as the central landmark of this high-elevation wilderness in Park County, where the headwaters of several significant drainages originate. This area marks a critical hydrologic divide, evidenced by the convergence of various water systems. The northern reaches are defined by Gallatin Lake and the nascent Gallatin River, which flows near Bighorn Pass.
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This is the sole edition of this map. No revisions or reprints were ever made.
1885 · Gallatin
USGS Topo · 1:125,000
1885 · Gallatin
USGS Topo · 1:125,000
1901 · Gallatin
USGS Topo · 1:125,000
1908 · Gallatin
USGS Topo · 1:125,000
1911 · Gallatin
USGS Topo · 1:125,000
1955 · Ashton
USGS Topo · 1:250,000
1958 · Ashton
USGS Topo · 1:250,000
1958 · Madison Junction
USGS Topo · 1:62,500
1958 · Mount Holmes
USGS Topo · 1:62,500
1958 · West Yellowstone
USGS Topo · 1:62,500