1. Map showing late Cenozoic extensional tilt patterns and associated structures in Sonora and adjacent areas, Mexico Yale Public content 1994. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; For sale by Map Distribution. English. Public. Mexico, Sonora (State), and Chihuahua (State). Cenozoic.