Correlation Charts [of the Post-Proterozoic Sedimentary Formations of North America]: 8a. Triassic (excl. Canada) 8b. Triassic of Canada. 8c. Jurassic (excl. Canada) 8d. Jurassic of Canada. 9. Cretaceous of Atlantic and Gulf coastal plain. 10a. Cretaceous of Greater Antilles, Central America, Mexico. 10b. Cretaceous of Western interior of United States. 10d. Cretaceous of Greenland, Alaska. 10e. Cretaceous of Pacific Coast. 11. Cenozoic of western North America. 12. Cenozoic of Atlantic and Gulf coastal plain and Caribbean region
