
The Flatirons dominate the landscape southwest of Boulder, where the dramatic transition from the plains to the Front Range is meticulously documented during the early 1940s. The map illustrates a complex network of ranching and early mountain settlement, featuring Kossler Ranch and Walker Ranch alongside established community hubs like Chautauqua and the Green Mountain Cemetery. Water management for the growing region is evident through features like the South Boulder Creek Diversion Canal and the City Reservoir.
81 named features on this map. Tap any name to fly to it.
Don’t see what you’re looking for? This feature index may not catch every label — zoom into the map to look around manually.
4 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 · Golden
USGS Topo · 1:31,680
1942 · Louisville
USGS Topo · 1:31,680
1942 · Tungsten
USGS Topo · 1:24,000
1942 · Black Hawk
USGS Topo · 1:24,000