The Thomas Range is a mountain range of north central Juab County of western Utah, United States. Topaz Mountain is in the southern part of the range and Spor Mountain lies to the southwest.Tertiary Volcanic Rocks and Uranium in the Thomas Range Northern Drum Mountains, Juab County, Utah, U. S. Geological Survey Professional Paper 1221Utah Atlas & Gazetteer, DeLorme, 9th ed., 2014, pp. 30-1
References
External links Spor Mountain beryllium mines, article at NASA Earth Observatory, July 16, 2021 Slides of the Fluorspar, Beryllium, and Uranium Deposits at Spor Mountain, Utah by David A. Lindsey, USGS