1. Map showing tectonic features of late Cenozoic origin in Colorado Yale Public content 1985. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). U.S. Dept. of the Interior, Geological Survey ; For sale by Branch of Distribution, USGS. English. Public. Colorado. Cenozoic.