
Eldorado Springs serves as a focal point where the plains meet the dramatic rise of the Front Range. This 1965 survey (revised in the 1990s) details the complex boundary between Boulder and Jefferson Counties, tracking the descent of South Boulder Creek and Coal Creek from the high country. To the north, the burgeoning scientific footprint of the region is evident through the National Bureau of Standards and the National Center for Atmospheric Research on the mesa tops.
56 named features on this map. Tap any name to fly to it.
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8 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
1942 · Eldorado Springs
USGS Topo · 1:24,000
1942 · Golden
USGS Topo · 1:31,680
1942 · Louisville
USGS Topo · 1:31,680
1942 · Tungsten
USGS Topo · 1:24,000