Stratigraphy and characteristic mollusks of the Pamunkey Group (lower Tertiary) and the Old Church Formation of the Chesapeake Group--Virginia Coastal Plain
Stratigraphy and characteristic mollusks of the Pamunkey Group (lower Tertiary) and the Old Church Formation of the Chesapeake Group--Virginia Coastal Plain / by Lauck W. Ward.
Published
[Reston, Va.?] : Dept. of the Interior, U.S. Geological Survey ; Alexandria, VA : For sale by the Distribution Branch, U.S. Geological Survey, 1985.