1. Map showing distribution, composition, and age of Late Cenozoic volcanic centers in Alaska Yale Public content 1986. 2002-06-01T04:00:00Z. 2023-02-09T21:26:47Z. Geological Survey (U.S.). U.S. Geological Survey ; For sale by Alaska Distribution Section ; Branch of Distribution. English. Public. Alaska and Alaska. Cenozoic and From 65 million years ago.