1. Aeromagnetic and gravity maps of the central Marysvale volcanic field, southwestern Utah [cartographic material] Yale Public content 1999. 2016-02-03T15:32:28Z. 2016-07-20T21:12:20Z. Geological Survey (U.S.). U.S. Geological Survey ; For sale by U.S. Geological Survey Information Services. English. cartographic image. Public. Utah and Marysvale Region.