Barnes, F.F., 1962, Variation in rank of Tertiary coals in the Cook Inlet basin, Alaska, in U.S. Geological Survey, Geological survey research 1962, Short papers in geology, hydrology, and topography, Articles 60-119: U.S. Geological Survey Professional Paper 450-C, p. C14-C16.
This publication is part of a larger work. Please see P 450-C for more information.