Keywords: highway construction highwayconstruction west virginia westvirginia united states unitedstates outdoor monochrome An engineer working to survey Rocky Mountain National Park's new road along Trail Ridge, 1930. National Park Service photograph by George A. Grant; card mount number 106; label number missing. An engineer working to survey Rocky Mountain National Park's new road along Trail Ridge, 1930. National Park Service photograph by George A. Grant; card mount number 106; label number missing. |