
Leon Peak anchors this high-altitude landscape within the Grand Mesa National Forest at the boundary of Mesa and Delta counties. The 1960 era terrain is defined by a complex hydraulic network of reservoirs and ditches designed to manage the snowmelt of the high plateau. Notable water control features include the Leon Tunnel and large-scale engineering works like the Surface Creek Ditch and Overland Ditch.
74 named features on this map. Tap any name to fly to it.
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5 editions found
1955 · Collbran
USGS Topo · 1:24,000
1955 · Grand Mesa
USGS Topo · 1:24,000
1955 · The Meadows
USGS Topo · 1:24,000
1956 · Montrose
USGS Topo · 1:250,000
1957 · Leadville
USGS Topo · 1:250,000
1959 · Leadville
USGS Topo · 1:250,000
1959 · Montrose
USGS Topo · 1:250,000
1960 · Leadville
USGS Topo · 1:250,000
1960 · Montrose
USGS Topo · 1:250,000
1961 · Porter Mountain
USGS Topo · 1:24,000