
The Animas River corridor dominates this late-1950s survey of northwestern New Mexico, tracing a vital lifeline of irrigation and transport through the San Juan Basin. The agricultural foundations of the region are clearly visible through an extensive network of gravity-fed waterways, including the Citizens Ditch, Farmers Ditch, and River Ditch, which support settlements like Riverside and Cedar Hill. This era captures the junction of traditional land use and mid-century industrial expansion, evidenced by numerous pipelines and gas wells scattered across the high mesas and deep canyons.
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1889 · Largo
USGS Topo · 1:250,000
1889 · Chaco
USGS Topo · 1:250,000
1892 · Chaco
USGS Topo · 1:250,000
1895 · Largo
USGS Topo · 1:250,000
1908 · Ignacio
USGS Topo · 1:125,000
1913 · Red Mesa
USGS Topo · 1:62,500
1924 · Ignacio
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