1986. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; For sale by Branch of Distribution. English. Public. Arizona and New Mexico. Pliocene and Quaternary.
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2000. 2002-06-01T04:00:00Z. 2016-07-23T21:10:24Z. Geological Survey (U.S.). U.S. Geological Survey ; For sale by U.S. Geological Survey, Information Services. English. cartographic image. Public. Arizona, Lees Ferry, Glen Canyon (Utah and Ariz.), Glen Canyon National Recreation Area (Utah and Ariz.), Lees Ferry (Ariz.), Lees Ferry., United States, Glen Canyon., and Glen Canyon National Recreation Area. Quaternary and From 2 million years ago.