EWING, M., ERICSON, D. B., AND HEEZEN, B. C., 1958, Sediments and topography of the Gulf of Mexico, p. 995-1053 _in_ Weeks, L., _Editor_, Habitat of Oil; Amer. Assoc. Petrol. Geol., Tulsa, 1384p. EWING, M., HEEZEN, B. C., AND HIRSHMAN, J., 1957, Mid-Atlantic Ridge seismic belt and magnetic anomalies (Abstract): Comm. No. 110 bis. Assoc. Seismol. Ass. Gen. U. G. G. I., Toronto EWING, M., SUTTON, G. H., AND OFFICER, C. B. JR., 1954, Seismic refraction measurements in the Atlantic Ocean, Part VI: Typical deep stations, North America Basin: Seismol. Soc. Am. Bull., v. 44, p. 21-38 EWING, M., WOOLLARD, G. P., VINE, A. C., AND WORZEL, J. L., 1946, Recent results in submarine geophysics: Geol. Soc. Am. Bull., v. 57, p. 909-934 EWING, M., HEEZEN, B. C., ERICSON, D. B., NORTHROP, J., AND DORMAN, J., 1953, Exploration of the Northwest Atlantic Mid-Ocean Canyon: Geol. Soc. Am. Bull., v. 64, p. 865-868 FENNEMAN, N. M., 1938, Physiography of Eastern United States: McGraw-Hill, N. Y., 714 p. FISHER, R. L., 1954, On sounding in trenches: Deep Sea Research, v. 2, no. 1, p. 48-58 FRASSETTO, R., AND NORTHROP, J., 1957, Virgin Islands bathymetric survey: Deep Sea Research, v. 4, p. 138-146 FURON, R., 1949, Sur les trilobites draguées à 4255 m. de profondeur par le _Talisman_ (1883): C. R. Acad, de Sci., Paris, t. 228, p. 1509-1510 GASKELL, T. F., AND ASHTON, W., 1954, H. M. S. CHALLENGER'S world voyage 1950-52. part 2: Intl. Hydro. Rev., v. 31, p. 101-111 GIBSON, W. M., 1958, Gulf of Alaska trough parallels Aleutian Trench: Geol. Soc. Am. Bull., v. 69, p. 611-614 GROUSSON, R., 1957, Bathymetrie de la cote Atlantique de Maroc: Ministère de la Défense Nationale, Paris, Bull. d'Information C.O.E.C., ann. IX, no. 8, p. 411-412 GUTENBERG, B., AND RICHTER, C. F., 1954, Seismicity of the earth: Princeton Univ. Press, Princeton, N. J., 310 p. HAMILTON, E. L., 1956, Sunken islands of the Mid-Pacific Mountains: Geol. Soc. Am. Memoir 64, 97 p. HEEZEN, B. C., 1954, Methods of exploring the ocean floor, p. 200-205 _in_ Isaacs, J. D., and Iselin, C. O'D., _Editors_, Oceanographic Instrumentation: Natl. Acad. of Sci., Publ. 309 ---- 1956, The origin of the submarine canyons: Scient. American, v. 195, p. 36-41 ---- In preparation, Some precision sounding profiles by U.S.S. GLACIER and U.S.S. WYANDOT in Antarctic waters HEEZEN, B. C., AND EWING, M., 1952, Turbidity currents and submarine slumps, and the Grand Banks earthquake: Am. Jour. Sci., v. 250, p. 849-873 ---- 1955, Orleansville earthquake and turbidity currents: Amer. Assoc. Petrol. Geol. Bull., v. 39, p. 2505-2514