TY  - BOOK
AU  - Ward,Lauck W.
AU  - Lawrence,David R.
AU  - Blackweld,Black W.
TI  - Straitgraphic revision of the middle Eocene, oligocene and lower miocene
U1  -  551.70973 
PY  - 1978///
CY  - Washington, D.C.
PB  - U.S. Government Printing Office
KW  - Geology, Stratigraphic
KW  - United States
ER  -