1. Lakes in the Colorado Springs-Castle Rock area, Front Range Urban Corridor, Colorado [cartographic material] Yale Public content 1976. 2013-06-13T13:42:21Z. 2013-06-26T19:51:05Z. Adams, D. Briane. The Survey. English. Public. Front Range (Colo. and Wyo.), Colorado, Douglas County, El Paso County, Elbert County, Fremont County, and Teller County.