Tantalum-Bearing Mafic Dikes in the Northern Bighorn Mountains, Sheridan and Big Horn Counties, Wyoming (1987)

Harris, R.E., 1987, Tantalum-bearing mafic dikes in the northern Bighorn Mountains, Sheridan and Big Horn counties, Wyoming: The Geological Survey of Wyoming [Wyoming State Geological Survey] Mineral Report 87-3, 17 p.