
The agrarian and industrial landscape of the western High Plains unfolds around Erie and the northern edge of Lafayette. This area is defined by a sophisticated network of irrigation systems essential for Colorado's eastern plains, including the Panama Res No 1, Thomas Reservoir, and the complex Boulder and White Rock Ditch system. The map reveals the region's coal mining heritage through landmarks like the Columbine Mine and Erie Mine, while the Union Pacific rail lines and an Old Railroad Grade illustrate the historical transportation corridors that served these extraction sites. Cultural and community markers such as Pleasant View Ridge, Canfield, and the Mountain View Drag Strip provide a glimpse into the local lifestyle and development patterns of the late 1960s, showing a transition between small-town settlement and early suburban expansion near Ninemile Corner.
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6 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 · Eastlake
USGS Topo · 1:31,680
1940 · Lafayette
USGS Topo · 1:31,680
1942 · Louisville
USGS Topo · 1:31,680
1944 · Lafayette
USGS Topo · 1:31,680
1944 · Eastlake
USGS Topo · 1:31,680
1949 · Gowanda
USGS Topo · 1:24,000