
Coal extraction dominates this corner of Colorado, where the Union Pacific railroad line stitches together a series of industrial settlements including Firestone, Frederick, and Dacono. The map reveals a landscape defined by underground wealth, with numerous operations like the Sterling Mine, Baum Mine, and Shamrock Mine situated between the towns and agricultural ditches. This 1950 survey, updated in the late 1970s, captures the local infrastructure of the Northern Colorado Coal Field, from the State Coal Mine Junction to the Pumping Sta near Evanston. Education and irrigation provide the community framework alongside the mines, evidenced by the Mount View School and a complex network of waterways like the Lower Boulder Ditch and Stanley Ditch. The transition from heavy mining to more established residential pockets is visible in features like the Trailer Park and CAA Radio Beam facility near Cleveland.
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7 editions found
1890 · East Denver
USGS Topo · 1:125,000
1899 · West Denver
USGS Topo · 1:125,000
1902 · Greeley
USGS Topo · 1:125,000
1904 · Niwot
USGS Topo · 1:62,500
1940 · Brighton
USGS Topo · 1:31,680
1940 · Eastlake
USGS Topo · 1:31,680
1940 · Lafayette
USGS Topo · 1:31,680
1944 · Lafayette
USGS Topo · 1:31,680
1944 · Brighton
USGS Topo · 1:31,680
1944 · Eastlake
USGS Topo · 1:31,680