U.S. Geological Survey and State Geological Agencies, 1979. The Mississippian and Pennsylvanian (Carboniferous) systems in the United States. United States Geological Survey Professional Paper, no. 1110-A-L, Washington, v + 424 pp, 1 plate, 141 text-figures and 17 tables (pagination is discontinuous, sections A to L are numbered separately). Washington. Price not known.
G. A. L. J.
Abstract