Geological Survey (U.S.), Brown, T. L., Sanchez, J. D., & Ellis, E. G. (1987). Stratigraphic framework and coal resources of the Upper Cretaceous Blackhawk Formation in the East Mountain and Gentry Mountain areas of the Wasatch Plateau coal field, Manti 30ʹ x 60ʹ quadrangle, Emery, Carbon, and Sanpete counties, Utah. The Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.), Terrence L. Brown, J. D. Sanchez, and Eugene G. Ellis. Stratigraphic Framework and Coal Resources of the Upper Cretaceous Blackhawk Formation in the East Mountain and Gentry Mountain Areas of the Wasatch Plateau Coal Field, Manti 30ʹ X 60ʹ Quadrangle, Emery, Carbon, and Sanpete Counties, Utah. Reston, Va.: The Survey, 1987.
MLA (9th ed.) CitationGeological Survey (U.S.), et al. Stratigraphic Framework and Coal Resources of the Upper Cretaceous Blackhawk Formation in the East Mountain and Gentry Mountain Areas of the Wasatch Plateau Coal Field, Manti 30ʹ X 60ʹ Quadrangle, Emery, Carbon, and Sanpete Counties, Utah. The Survey, 1987.