
The coal-mining heritage of the northern Colorado Front Range is clearly visible here, particularly around the settlement of Marshall. This landscape is defined by its complex irrigation and industrial history, featuring an extensive network of ditches like the Community Ditch and Davidson Ditch alongside dozens of named mining operations. In the late 1950s, the Denver Boulder Turnpike serves as a modern corridor through the undulating terrain of Davidson Mesa, while the Colorado and Southern railroad tracks connect the industrial pits and shafts to the growing towns. To the south, the open expanse of Rocky Flats borders the headwaters of Woman Creek and Walnut Creek, while Louisville and the eastern edge of Boulder show their mid-century footprints, complete with local institutions like Sacred Heart Ch and Martin Park Sch.
63 named features on this map. Tap any name to fly to it.
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2 editions found
1899 · West Denver
USGS Topo · 1:125,000
1902 · Boulder
USGS Topo · 1:62,500
1904 · Niwot
USGS Topo · 1:62,500
1904 · Boulder
USGS Topo · 1:62,500
1906 · Blackhawk
USGS Topo · 1:62,500
1939 · Golden
USGS Topo · 1:24,000
1940 · Lafayette
USGS Topo · 1:31,680
1941 · Arvada
USGS Topo · 1:31,680
1942 · Eldorado Springs
USGS Topo · 1:24,000
1942 · Golden
USGS Topo · 1:31,680