1. Map showing potential for copper deposits in the eastern three-quarters of the Nogales 2° quadrangle, Tucson area, Arizona [cartographic material] Yale Public content 1973. 2013-05-09T19:40:00Z. 2013-05-22T14:59:53Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Arizona and Nogales Region.