1980. 2002-06-01T04:00:00Z. 2022-12-22T04:01:21Z. Geological Survey (U.S.). The Survey. English. text. Public. Washington (State). Quaternary.
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1980. 2002-06-01T04:00:00Z. 2022-12-09T04:08:27Z. Geological Survey (U.S.). The Survey. English. cartographic image. Public. Alaska and Alaska. Tertiary, Quaternary, and From 2 to 65 million years ago.