TY  - RPRT
TI  - Ammonite accumulations in the Cretaceous Mowry and Aspen shales
AU  - J.B. Reeside
AU  - W. A. Cobban
PY  - 1954
DO  - 10.1126/science.119.3089.355.b
UR  - https://pubs.usgs.gov/publication/70010725
ID  - 70010725
ER  -