Dutro, J.T., Jr., 1961, Correlation of the Arctic Permian, in U.S. Geological Survey, Geological survey research 1961, Short papers in the geologic and hydrologic sciences, Articles 147-292: U.S. Geological Survey Professional Paper 424-C, p. C225-C228.
This publication is part of a larger work. Please see P 424-C for more information.