131. Colorado : Fort Collins : 1:100,000-scale topographic map : 30 x 60 minute series (topographic)
2005. 2006-02-07T17:39:18Z. 2006-09-21T14:16:54Z. United States. Bureau of Land Management. U.S. Dept. of the Interior, Bureau of Land Management ; For sale by BLM Colorado State Office ; U.S. Geological Survey. English. Public. Colorado.