Geological Survey (U.S.), Gulf Coast Association of Geological Societies, Braunstein, J., & Hallgarth, W. E. (1970). Bibliography of Gulf Coast Geology. Gulf Coast Association of Geological Societies, with the cooperation of the U. S. Geological Survey.
Lua i Stíl Chicago (17ú heag.)Geological Survey (U.S.), Gulf Coast Association of Geological Societies, Jules Braunstein, agus Walter E. Hallgarth. Bibliography of Gulf Coast Geology. New Orleans: Gulf Coast Association of Geological Societies, with the cooperation of the U. S. Geological Survey, 1970.
Lua MLA (8ú heag.)Geological Survey (U.S.), et al. Bibliography of Gulf Coast Geology. Gulf Coast Association of Geological Societies, with the cooperation of the U. S. Geological Survey, 1970.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.