TY  - BOOK
AU  - Imlay,Ralph W.
ED  - United States
TI  - Middle Jurassic (Bajocian) ammonites from eastern Oregon
U1  - 564.53 
PY  - 1973///.
CY  - Washington: 
PB  - United States Government Printing Office, 
KW  - Ammonoidea
KW  - Oregon
KW  - Paleontology
KW  - Jurassic
N1  - Conduct maps: Index maps showing general and detailed positions of bajocian ammonite localities in eastern oregon
N2  - Bajocian ammonites of eastern Oregon greatly resemble those of Alaska and Europe, indicate marine connections with Europe, and permit accurate zonal dating in the Pacific Coast region
ER  -