1994. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; Books and Open-File Reports Section, distributor. English. Public. Virginia and North Carolina.
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1995. 2002-06-01T04:00:00Z. 2016-08-31T20:08:46Z. Geological Survey (U.S.). The Survey ; Books and Open-File Reports Section, distributor. English. Public. Virginia, Mecklenburg County, North Carolina, Granville County, Vance County, and John H. Kerr Reservoir Region (Va. and N.C.).
1990. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; Books and Open-File Reports Section, distributor. English. Public. Virginia and Fauquier County.
1993. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; Books and Open-File Reports Section, distributor. English. Public. Virginia.
1993. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; Books and Open-File Reports Section, distributor. English. Public. Virginia, Frederick County, and Shenandoah County.