Montezuma Valley and the surrounding high desert terrain define this corner of Southwest Colorado, where water management is central to the landscape. The intricate network of irrigation channels, including the Highline Ditch, Rocky Ford Ditch, and Ute Mountain Ditch, illustrates the engineering required to sustain agriculture in this arid region. These man-made waterways follow the contours of the Aztec Divide, feeding into natural drainages like McElmo Creek and Mud Creek.
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This is the sole edition of this map. No revisions or reprints were ever made.
1956 · Cortez
USGS Topo · 1:250,000
1957 · Moqui SE
USGS Topo · 1:24,000
1958 · Cortez SW
USGS Topo · 1:24,000
1958 · Sentinel Peak NE
USGS Topo · 1:24,000
1958 · Cortez
USGS Topo · 1:250,000
1959 · Cortez
USGS Topo · 1:250,000
1962 · Cortez
USGS Topo · 1:250,000
1965 · Woods Canyon
USGS Topo · 1:24,000
1965 · Cortez
USGS Topo · 1:24,000
1965 · Dolores West
USGS Topo · 1:24,000