1. Map showing the distribution and characteristics of plutonic rocks in the Tonopah 1⁰?x 2⁰?quadrangle, central Nevada Yale Public content 1987. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; For sale by Alaska Distribution Section ; Map Distribution. English. Public. Nevada.