Continental Divide crests through this high-altitude landscape where the headwaters of the E Fork San Juan River and Pass Cr begin their descent. This 2013 survey documents a remote backcountry defined by early mountain passage points and seasonal livestock routes. Historically significant crossings such as Elwood Pass, Bonito Pass, and Railroad Pass mark the primitive infrastructure through the Rio Grande National Forest and San Juan National Forest.
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This is the sole edition of this map. No revisions or reprints were ever made.
1913 · Summitville
USGS Topo · 1:125,000
1914 · Creede
USGS Topo · 1:125,000
1915 · Summitville
USGS Topo · 1:125,000
1916 · Creede
USGS Topo · 1:125,000
1945 · Durango
USGS Topo · 1:250,000
1953 · Durango
USGS Topo · 1:250,000
1954 · Durango
USGS Topo · 1:250,000
1957 · Wolf Creek Pass
USGS Topo · 1:62,500
1957 · Spar City
USGS Topo · 1:62,500
1961 · Durango
USGS Topo · 1:250,000