Geologic map and coal sections of the Thornburgh Quadrangle, Moffat and Rio Blanco counties, Colorado
The Thornburgh* quadrangle was mapped as part of the U.S. Geological Survey's program of classifying and evaluating mineral lands in the public domain. Resources of economic interest in the quadrangle include coal, oil and gas, sand and gravel, uranium and vanadium, and ground water.
Colorado↗