
Boulder emerges in the 1960s as a city defined by its steep transition from the plains to the Front Range, anchored by the sprawling University of Colorado campus and a dense network of neighborhood schools like Columbine Sch and Highland Sch. The urban grid, featuring prominent thoroughfares such as Broadway and Arapahoe Ave, terminates abruptly against the protected slopes of Boulder Mountain Park and the Roosevelt National Forest.
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5 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
1942 · Eldorado Springs
USGS Topo · 1:24,000
1942 · Louisville
USGS Topo · 1:31,680
1942 · Tungsten
USGS Topo · 1:24,000
1944 · Eldorado Springs
USGS Topo · 1:31,680
1944 · Tungsten
USGS Topo · 1:31,680