TY  - BOOK
AU  - Cooke,Charles Wythe
AU  - Cushman,Joseph A.
TI  - The correlation of the Vicksburg group,
AV  - QE75 .P9 no. 133
PY  - 1923///
CY  - Washington
PB  - Govt. Print. Off.
KW  - Geology, Stratigraphic
KW  - Tertiary
KW  - Foraminifera, Fossil
N1  - At head of title: Department of the interior; Plates printed on both sides of leaf
ER  -