[21257] North American, Strata: Upper Carboniferous (Pennsylvanian), Period: 26290, Rec 1948

[Rec № 1948] A paleocurrent study of Upper Mississippian and Lower Pennsylvanian rocks of the Ouachita Mountains and Arkoma Basin southeastern Oklahoma

Briggs, G.
Doctoral dissertation, University of Wisconsin, 1962, « Missing Vol »