1. 1:100 000-scale metric topographic map of Vernal, Utah--Colorado : 30 x 60 minute quadrangle showing contours and elevations in meters, highways, roads, and other manmade structures, water features, geographic names : Vernal SW/4. Yale Public content 1989. 2009-03-06T16:40:23Z. 2011-03-04T18:53:28Z. United States. Bureau of Indian Affairs. Bureau of Indian Affairs. English. Public. Vernal Region (Utah).