
Routt National Forest dominates this mid-century topographic study, defined by the high-elevation terrain of Owl Mountain and the headwaters of the Illinois River. The landscape reveals a complex network of early irrigation efforts, including the Garland Ditch, Flying Dutchman Ditch, and Jack Ditch, which redirect water across the drainage divides. These man-made features highlight the era's reliance on water rights to support remote homesteads like Roslyn Ranch and the Jack Creek Ranch.
48 named features on this map. Tap any name to fly to it.
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6 editions found
1915 · Longs Peak
USGS Topo · 1:125,000
1916 · Home
USGS Topo · 1:125,000
1919 · Rocky Mountain National Park
USGS Topo · 1:125,000
1920 · Home
USGS Topo · 1:125,000
1954 · Greeley
USGS Topo · 1:250,000
1954 · Craig
USGS Topo · 1:250,000
1955 · Gould
USGS Topo · 1:24,000
1955 · Owl Ridge
USGS Topo · 1:24,000
1956 · Radial Mountain
USGS Topo · 1:24,000
1956 · Jack Creek Ranch
USGS Topo · 1:24,000