1996. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; For sale by Earth Science Information Center, Open-File Reports Section. English. Public. Massachusetts.
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1990. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; For sale by Books and Open-File Reports. English. Public. Roanoke River Watershed (Va. and N.C.), North Carolina, and Chowan River Watershed.