Recent gastropod boreholes and Ordovician cylindrical borings /

Bibliographic Details
Main Authors:	Carriker, Melbourne R. (Melbourne Romaine), 1915-2007, Yochelson, Ellis L. (Ellis Leon), 1928-2006 (Author)
Format:	Government Document Book
Language:	English
Published:	Washington : U.S. Govt. Print. Off, 1968.
Series:	Geological Survey professional paper ; 593-B. Geological Survey professional paper. Contributions to paleontology.
Subjects:	Gastropoda, Fossil > Ontario. Gastropoda, Fossil > United States. Paleontology > Ordovician. Marine borers. Paleontology > Ontario. Paleontology > United States.

Evans: US Documents (Annex 5th floor)