Upper Ordivician ecology of the Central Appalachians /
Bretsky, Peter William, 1938-
Upper Ordivician ecology of the Central Appalachians / O. W. Bret sky. - New Haven : Peabody Museum of Natural History, Yale University, 1970. - viii, 150 p. : ill., maps, 44 plates ; 26 cm. - Yale University Peabody Museum of Natural History ; Bullentin 34 .
Includes bibliographyical references (p. 142-150).
Paleoecology.
Paleontology -- Ordovician.
Paleontology -- Appalachian Mountains.
565.393 BRE
Upper Ordivician ecology of the Central Appalachians / O. W. Bret sky. - New Haven : Peabody Museum of Natural History, Yale University, 1970. - viii, 150 p. : ill., maps, 44 plates ; 26 cm. - Yale University Peabody Museum of Natural History ; Bullentin 34 .
Includes bibliographyical references (p. 142-150).
Paleoecology.
Paleontology -- Ordovician.
Paleontology -- Appalachian Mountains.
565.393 BRE