1. Maps showing extent and thickness of coal beds and amount of overburden on coal beds in the Salina quadrangle, Utah Yale Public content 1972. 2012-10-31T13:20:30Z. 2012-10-31T13:20:30Z. Hackman, Robert J. U.S. Geological Survey. English. Public. Utah, Sevier County, Piute County, Emery County, Wayne County, and Garfield County.