St John, J.M., and Babcock, L.E., 1997, Late Middle Cambrian trilobites of Siberian aspect from the Farewell terrane, southwestern Alaska, in Dumoulin, J.A., and Gray, J.E., eds., Geologic studies in Alaska by the U.S. Geological Survey, 1995: U.S. Geological Survey Professional Paper 1574, p. 269-281.
This publication is part of a larger work. Please see P 1574 for more information.