TY  - BOOK
AU  - Dunbar,Carl O.
AU  - Rodgers,John
TI  - Principles of stratigraphy
SN  - 0471225398
U1  - 551.7 
PY  - 1957///
CY  - New York
PB  - Wiley
KW  - Geology, Stratigraphic
KW  - North America
N1  - Includes bibliographical references and index
ER  -