Electra Lake sits as a central reservoir within the San Juan National Forest, surrounded by a complex network of canyons and high-elevation terrain. This 2013 survey documents the recreational and ranching character of the region, where the Animas River cuts through the eastern edge of the quadrangle. Private landholdings and commercial outposts like Columbine Ranch, Tall Timber Resort, and Ah Wilderness Trail's Ranch appear alongside public facilities such as the Chris Park Organizational Campground and Haviland Lake Campground.
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This is the sole edition of this map. No revisions or reprints were ever made.
1898 · Durango
USGS Topo · 1:62,500
1898 · Engineer Mountain
USGS Topo · 1:62,500
1900 · Engineer Mountain
USGS Topo · 1:62,500
1900 · Needle Mountains
USGS Topo · 1:62,500
1902 · Needle Mountains
USGS Topo · 1:62,500
1907 · Durango
USGS Topo · 1:62,500
1908 · Engineer Mountain
USGS Topo · 1:62,500
1908 · Ignacio
USGS Topo · 1:125,000
1908 · Durango
USGS Topo · 1:62,500
1924 · Ignacio
USGS Topo · 1:125,000