TY  - BOOK
AU  - Dunbar, Carl Owen
AU  - Rodgers, John
TI  - PRINCIPLES OF STRATIGRAPHY
U1  - 551.7 
PY  - 1957///
CY  - N. Y.
PB  - Wiley
KW  - Geology, Stratigraphic
N1  - Includes Bibliographies
ER  -