1. Boulder Yale Public content 1913. 2011-12-12T21:24:23Z. 2022-03-29T20:39:06Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Colorado.
2. Geologic map of Colorado Yale Public content 1913. 2018-05-15T20:23:51Z. 2018-05-15T20:23:51Z. George, Russell D., 1866-. Colorado State Geological Survey. English. cartographic image. Public. Colorado, U.S., and Colorado.
3. Highway map of Colorado Yale Public content 1913. 2002-06-01T04:00:00Z. 2018-09-05T19:52:51Z. Clason Map Co., cartographer. The Company. English. Public. Colorado.
4. Leadville mining district [cartographic material] Yale Public content 1913. 2019-05-08T14:31:32Z. 2020-01-02T20:57:18Z. Geological Survey (U.S.), cartographer. The Survey. English. cartographic image. Public. Colorado, Leadville, Leadville (Colo.), and Leadville.
5. Rand, McNally & Co.'s Colorado Yale Public content 1913. 2002-07-12T20:11:29Z. 2018-02-07T18:27:51Z. Rand McNally and Company, cartographer. The Co. English. Public. Colorado.
6. Red Mesa Yale Public content 1913. 2011-12-12T21:24:37Z. 2022-03-29T20:39:07Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Colorado.
7. Red Mesa Yale Public content 1913. 2011-12-12T21:24:37Z. 2022-03-29T20:39:07Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Colorado.
8. Topographic map of Colorado, 1913 Yale Public content 1913. 2002-07-18T19:04:25Z. 2016-11-29T22:10:43Z. George, Russell D., b. 1866. Colorado State Geological Survey. English. Public. Colorado.