Blackhead Peak and Squaretop Mountain dominate the skyline of this high-elevation landscape in southern Colorado, where the headwaters of the San Juan River system begin to take shape. This 2011 survey illustrates a terrain defined by dramatic alpine features such as The Needles and Nipple Mountain, while human impact is primarily limited to forest access via FR 24 and the management of water resources. The presence of Echo Ditch near the head of the Rito Blanco reveals the complex history of water diversion in the region, providing essential flow to lower elevations. In the southeastern corner, the settlement of Blanco Basin serves as the gateway to this wilderness, situated along the Rio Blanco near the convergence of numerous alpine drainages including Coal Creek and Mill Creek.
17 named features on this map. Tap any name to fly to it.
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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
1915 · Summitville
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 · Chromo
USGS Topo · 1:62,500
1957 · Wolf Creek Pass
USGS Topo · 1:62,500
1957 · Chama Peak
USGS Topo · 1:62,500
1961 · Durango
USGS Topo · 1:250,000
1963 · Durango
USGS Topo · 1:250,000