TY  - BOOK
AU  - Gordon, Mackenzie,
AU  - Yochelson, Ellis L.
CN  - QE75
CN  - QE808
CN  - QE75
CY  - Washington :
DA  - 1975.
ID  - 226552
KW  - Gastropoda, Fossil
KW  - Cephalopoda, Fossil
KW  - Trilobites
KW  - Paleontology
KW  - Paleontology
N1  - Includes index.
PB  - U.S. Govt. Print. Off.,
PP  - Washington :
PY  - 1975.
T1  - Gastropoda, Cephalopoda, and Trilobita of the Amsden Formation (Mississippian and Pennsylvanian) of Wyoming /
TI  - Gastropoda, Cephalopoda, and Trilobita of the Amsden Formation (Mississippian and Pennsylvanian) of Wyoming /
VL  - 848-F
ER  -