1. Petrochemistry of igneous rocks, Silver City 1⁰ x 2⁰ quadrangle, New Mexico and Arizona [cartographic material] Yale Public content 1991. 2002-06-01T04:00:00Z. 2015-07-06T17:22:41Z. Geological Survey (U.S.). The Survey ; For sale by Map Distribution. English. Public. New Mexico, Silver City Region, and Arizona.