TY  - BOOK
AU  - Coban, William Aubrey,
CN  - QE75
CN  - QE75
CY  - Washington, D.C. :
CY  - Denver, CO :
DA  - 1990.
ID  - 229672
KW  - Ammonoidea
KW  - Bivalves, Fossil
KW  - Paleontology
KW  - Paleontology
PB  - U.S. G.P.O. ;
PB  - For sale by the Books and Open-File Reports Section, U.S. Geological Survey,
PP  - Washington, D.C. :
PP  - Denver, CO :
PY  - 1990.
T1  - Ammonites and some characteristic bivalves from the Upper Cretaceous Frontier Formation, Natrona County, Wyoming /
TI  - Ammonites and some characteristic bivalves from the Upper Cretaceous Frontier Formation, Natrona County, Wyoming /
VL  - ch. B
VL  - 1917-B
ER  -