
Middle Fork South Platte River and its myriad irrigation channels define this high-altitude cattle ranching landscape in Park County. By the 1990s, the area retained a network of family-named holdings, including McDowell Ranch, Cargill Ranch, and Rogers Ranch, alongside the former Weston site. Water management is the primary human imprint on the land, evidenced by an intricate system of ditches such as the Miller Ditch, Nelson Ditch, and Guiraud Ditch, which redirect snowmelt across the valley floor toward the Antero Reservoir.
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1889 · Leadville
USGS Topo · 1:125,000
1891 · Leadville
USGS Topo · 1:125,000
1942 · Leadville
USGS Topo · 1:125,000
1953 · Denver
USGS Topo · 1:250,000
1954 · Pueblo
USGS Topo · 1:250,000
1955 · Buena Vista
USGS Topo · 1:62,500
1956 · Elkhorn
USGS Topo · 1:24,000
1956 · Garo
USGS Topo · 1:24,000
1956 · Antero Reservoir
USGS Topo · 1:24,000
1956 · Antero Reservoir NE
USGS Topo · 1:24,000