Twentymile Park dominates the northern landscape of this Routt County region, where the high-altitude terrain is defined by a complex network of drainage creeks and isolated peaks. Rising above the valleys, Rattlesnake Butte and Pinnacle Peak serve as prominent landmarks for navigation across the high country. The area's water management is evident through multiple storage sites, including Eckman Park Reservoir Number 1 and Reservoir Number Three, alongside the Koll Ditch Number 1 which reflects the early 21st-century irrigation and ranching infrastructure.
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This is the sole edition of this map. No revisions or reprints were ever made.
1924 · Mt. Harris
USGS Topo · 1:48,000
1926 · Mount Harris
USGS Topo · 1:62,500
1954 · Craig
USGS Topo · 1:250,000
1957 · Craig
USGS Topo · 1:250,000
1958 · Craig
USGS Topo · 1:250,000
1960 · Craig
USGS Topo · 1:250,000
1962 · Craig
USGS Topo · 1:250,000
1964 · Craig
USGS Topo · 1:250,000
1965 · Craig
USGS Topo · 1:250,000
1966 · Dunckley Pass
USGS Topo · 1:24,000