
San Juan National Forest defines this high-altitude landscape along the border of La Plata and Archuleta counties, where a complex network of springs and canyons supported early 20th-century ranching and mining. Cattlemen and prospectors left their mark on the terrain with sites like Shamrock Ranch and the nearby Shamrock Mines. The abundance of water sources, from Frying Pan Spring to Moonlick Spring No 1, highlights the critical importance of reliable water for livestock in the high meadows.
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6 editions found
1908 · Ignacio
USGS Topo · 1:125,000
1924 · Ignacio
USGS Topo · 1:125,000
1924 · Pagosa Springs
USGS Topo · 1:125,000
1927 · Pagosa Springs
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
1961 · Durango
USGS Topo · 1:250,000
1963 · Durango
USGS Topo · 1:250,000
1964 · Devil Mountain
USGS Topo · 1:24,000