TY  - RPRT
TI  - Lower Jurassic (Pliensbachian and Toarcian) ammonites from eastern Oregon and California
AU  - R. W. Imlay
PY  - 1968
DO  - 10.3133/pp593c
UR  - https://pubs.usgs.gov/publication/pp593C
ID  - pp593C
ER  -