
Alamosa serves as the focal point of this San Luis Valley landscape, where the Rio Grande and the Alamosa River define the local hydrology. The map reveals a highly structured agricultural economy dependent on an intricate network of irrigation, including the Alamosa Ditch, Waverly Drain Ditch, and Denver Colony Lateral. These man-made water systems follow the township lines, supporting a grid of named routes like Coop Road and Twelvemile Road.
36 named features on this map. Tap any name to fly to it.
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3 editions found
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