
Roosevelt National Forest spans this 1940s landscape, where the rugged topography of the Front Range dictated a pattern of narrow mountain settlements and resource extraction. The Denver and Salt Lake railroad winds through the canyon of South Boulder Creek, providing a vital transit corridor connecting Rollinsville and Pine Cliff Pineliffe PO. This era shows the region as a hub for both industrial mining and early mountain recreation, evidenced by the Manchester Mine and Kekionga Mine alongside seasonal sites like Camp Shoshoni and the Lincoln Hills development.
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22 maps found

1942 Tungsten
Boulder County, CO

1944 Tungsten
Boulder County, CO

1950 Hygiene
Boulder County, CO

1957 Allens Park
Boulder County, CO

1957 Raymond
Boulder County, CO

1968 Hygiene
Boulder County, CO

1972 Tungsten
Boulder County, CO
2010 Hygiene
Boulder County, CO
2011 Raymond
Boulder County, CO
2011 Tungsten
Boulder County, CO
2013 Hygiene
Boulder County, CO
2013 Raymond
Boulder County, CO
2013 Tungsten
Boulder County, CO
2016 Hygiene
Boulder County, CO
2016 Raymond
Boulder County, CO
2016 Tungsten
Boulder County, CO
2019 Hygiene
Boulder County, CO
2019 Raymond
Boulder County, CO
2019 Tungsten
Boulder County, CO

2022 Hygiene
Boulder County, CO

2022 Raymond
Boulder County, CO

2022 Tungsten
Boulder County, CO