http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
4 volumes in 1 : illustrations, maps ; 28 cm.
ch. A. Horses in fensters of the Pulaski thrust sheet, southwestern Virginia: structure, kinematics, and implications for hydrocarbon potential of the Eastern Overthrust Belt / by Arthur P. Schultz -- ch. B. Fluvial deposition in the central Appalachians during the early Pennsylvanian / by Charles L. Rice and Joseph F. Schwietering -- ch. C. Disturbed zones: indicators of subsurface faults and possible hydrocarbon traps in the Valley and Ridge and Appalachian Plateau provinces of Pennsylvania, Maryland, Virginia, and West Virginia / by Howard A. Pohn and Terri L. Purdy -- ch. D. Reevaluation of conodont color alteration patterns in Ordovician rocks, east-central Valley and Ridge and western Blue Ridge provinces, Tennessee / by Randall C. Orndorff, Anita G. Harris, and Arthur P. Schultz.
U.S. Geological Survey bulletin ; 1839-A-D