1. Geochemical maps showing the distribution of selected elements determined in nonmagnetic heavy-mineral concentrates from the Mount Katmai and parts of the Afognak and Naknek quadrangles, Alaska Yale Public content 1990. 2002-06-01T04:00:00Z. 2004-04-05T13:53:03Z. Geological Survey (U.S.). The Survey ; For sale by Distribution Section ; Branch of Distribution. English. Public. Alaska and Katmai National Park and Preserve Region.