1. Lakes in the greater Denver area, Front Range Urban Corridor, Colorado [cartographic material] Yale Public content 1975. 2013-05-28T19:29:30Z. 2013-06-14T17:58:10Z. Danielson, T. W. Dept. of the Interior, U.S. Geological Survey. English. Public. Colorado, Denver Metropolitan Area, and Denver Metropolitan Area (Colo.).