1. Map showing distribution, composition, and age of late Cenozoic volcanic centers in California and Nevada [cartographic material] Yale Public content 1981. 2014-04-01T14:48:20Z. 2014-04-15T22:13:37Z. Luedke, Robert G. Dept. of the Interior, U.S. Geological Survey. English. Public. California and Nevada. Cenozoic and From 65 million years ago.