Author: SKEHAN, James W., MURRAY, Daniel P. et al.
Title: The Mississippian and Pennsylvanian (Carboniferous) Systems in the United States.
Description: United States Government Printing Service, 1979. 4to Paperback. A little wear to spine, o/wise good condition. Geological Survey Professional Paper 1110-A-L.

Keywords: paleontology geology theory carboniferous research united states of america american north geological noebay