
Irrigation infrastructure and the meandering Rio Grande define this high-altitude landscape in the San Luis Valley during the mid-1960s. The map captures an intricate network of water management, including the Excelsior Ditch, Centennial Ditch, and Costilla Canal, which support the surrounding agricultural tracts. At the heart of the community stands the Mount Pleasant School, situated along Threemile Road, serving the rural residents of this corner of Alamosa County.
30 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.
1915 · Del Norte
USGS Topo · 1:125,000
1917 · Del Norte
USGS Topo · 1:125,000
1922 · Conejos
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
1954 · Trinidad
USGS Topo · 1:250,000
1955 · Trinidad
USGS Topo · 1:250,000
1958 · Trinidad
USGS Topo · 1:250,000
1959 · Trinidad
USGS Topo · 1:250,000