1. Transcontinental geophysical survey (35°-39° N) geologic map from 112° W longitude to the coast of California / [cartographic material] Yale Public content 1968. 2012-10-09T19:05:45Z. 2013-03-18T22:22:39Z. Carlson, John Edward, 1919-. Dept. of the Interior, U.S. Geological Survey. English. Public. California, Nevada, Utah, Arizona, and Southwest, New.