Author: Geological Survey (U.S.) / Temporal Coverage: Ordovician - Yale University Library GeoBlacklight Search Results

Start Over Author Geological Survey (U.S.) Temporal Coverage Ordovician

1. Isopach and lithofacies map of the Sauk sequence (excluding basal clastics) in the northern midcontinent, U.S.A.

1987. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; For sale by Branch of Distribution. English. Public. Northwest, Old. Ordovician and Cambrian.

2. Stratigraphic framework of Cambrian and Ordovician rocks in the central Appalachian Basin from Lake County, Ohio, to Juniata County, Pennsylvania

1992. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; For sale by Map Distribution. English. Public. Appalachian Basin. Cambrian and Ordovician.

3. Stratigraphic framework of Cambrian and Ordovician rocks in the central Appalachian basin from Richland County, Ohio to Rockingham County, Virginia

1991. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; For sale by Map Distribution. English. Public. Appalachian Basin. Cambrian and Ordovician.