
Agricultural development and early transit routes define this Saguache County landscape in the late 1960s. The settlement of Mirage serves as a central point for a sophisticated network of irrigation systems, including the Shellabarger Eaton Ditch and the Wales Travis Ditch, which redirect water from alpine drainages like Rito Alto Creek across the valley floor. Evidence of the region’s shifting infrastructure is visible in the Old Railroad Grade running through the southern section, marking a former rail corridor that once supported the local economy.
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2 editions found
1950 · Valley View Hot Springs
USGS Topo · 1:24,000
1954 · Trinidad
USGS Topo · 1:250,000
1954 · Pueblo
USGS Topo · 1:250,000
1955 · Trinidad
USGS Topo · 1:250,000
1957 · Pueblo
USGS Topo · 1:250,000
1958 · Trinidad
USGS Topo · 1:250,000
1958 · Pueblo
USGS Topo · 1:250,000
1959 · Trinidad
USGS Topo · 1:250,000
1959 · Electric Peak
USGS Topo · 1:62,500
1962 · Pueblo
USGS Topo · 1:250,000