1. Land-use classification map of the greater Denver area, Front Range Urban Corridor, Colorado [cartographic material] Yale Public content 1975. 2013-05-30T20:01:30Z. 2013-06-14T17:58:36Z. Driscoll, Linda B. Dept. of the Interior, U.S. Geological Survey. English. Public. Colorado, Denver Metropolitan Area, and Denver Metropolitan Area (Colo.).