1. Bain, G. W.: Triassie age rift structure in eastern North America: Trans. New York Acad. Sci., Ser II,19, No. 6, p. 489–502, 1957.
2. Bain, G. L., and B. W.Harvey: Field guide to the geology of the Durhan Triassic basin: Carolina Geol. Soc, 83 p., 1977.
3. Ballard, R. D., andE. Uchupi: Carboniferous and Triassic rifting: A preliminary outline of the tectonic history of the Gulf of Maine: Geol. Soc. America Bull.,83, p. 2285–2302, 1972.
4. —: Triassic rift structure in Gulf of Maine: AAPG Bull.,59, p. 1041–1072, 1975.
5. Barss, M. S. andP. A. Hacquebard: Age and the stratigraphy of the Pictou Group in the Maritime Provinces as revealed by fossil spores: Geol. Assoc. Canada, Spec. Paper 4: P 267–282, 1967.