Principles of stratigraphy /
Dunbar, Carl O. 1891-
Principles of stratigraphy / Carl O. Dunbar, John Rodgers. - Wiley Int. ed. - New York : Wiley, 1957. - xi, 356 p. : ill. ; 27 cm.
Includes bibliographical references and index.
0471225398
Geology, Stratigraphic.
North America
551.7 / DUP 1957
Principles of stratigraphy / Carl O. Dunbar, John Rodgers. - Wiley Int. ed. - New York : Wiley, 1957. - xi, 356 p. : ill. ; 27 cm.
Includes bibliographical references and index.
0471225398
Geology, Stratigraphic.
North America
551.7 / DUP 1957