North America; Plate-tectonic setting and tectonic Elements /  Bally, A. W....-- The Gravity Anomaly Map of North America / Hanna, W.F.... The Magnetic Anomaly Map of North America; A new tool for regional geologic mapping / William J. Hinze ... The seismic structure of the continental crust and upper mantle of North America / Walter D. Money... North Atlantic Ocean basin; Aspects of geologic structure and evolution / Peter R. Vogt... The Atlantic passive margin / Robert E. Sheridan  Evolution of the northern Gulf of Mexico, with emphasis on Cenozoic growth faulting and the role of salt / Worrall, D.M.... Phanerozoic evolution of the North American Cordillera; United States and Canada /  John S. Oldow... -- An outline of the  geology of Mexico / Zoltan de Cserna -- The northeast Pacific Ocean and Hawaii / Edward L.... --