1. Transcontinental geophysical survey (35° - 39° N) gravity and bathymetric map from the coast of California to 133° W longitude / [cartographic material] Yale Public content 1968. 2012-10-09T18:54:28Z. 2013-03-18T20:33:40Z. Lattimore, Robert K. U.S. Geological Survey. English. Public. Pacific Ocean.