The town of Center anchors this high-plains landscape, where the agricultural grid meets a complex network of water management features designed to sustain the arid San Luis Valley. This survey reveals a meticulously partitioned terrain defined by the intersections of three counties — Saguache, Rio Grande, and Alamosa. The reliance on irrigation is evident through the extensive system of waterways, including the Rio Grande Drain and several named ditches like the Raney Ditch and Prairie Ditch. These man-made channels dictate the placement of local settlements and infrastructure across the valley floor. Small hamlets and rail-related stops such as Ansel, Dunul, and Vastine appear along the section lines, while the Van Treese Airport and Mc Cullough Airport serve as modern landmarks in this rural expanse. The map illustrates how transportation routes like Twelvemile Rd and S Broadway follow the rigid township and range system.
52 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
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
1961 · Durango
USGS Topo · 1:250,000