1. The Alleghanian orogeny and its relationship to the evolution of the Eastern Interior, North America;Beaumont;Mem. Can. Soc. Pet. Geol.,1987
2. Courthey , R. C. On the rheology of the oceanic and continental lithospheres Canada 1982
3. Thermally-activated creep and flexure of the oceanic lithosphere;Courtney;Nature,1983
4. Coalification patterns of Pennsylvanian coal basins of the eastern United States;Damberger;Spec. Publ. Geol. Soc. Am.,1974
5. Dewitt Jr. , W. L. W. McGrew Appalachian basin region 13 48 1979