TY  - RPRT
TI  - The Red Bird section of the Upper Cretaceous Pierre Shale in Wyoming
AU  - J. R. Gill
AU  - W. A. Cobban
AU  - P. M. Kier
PY  - 1966
DO  - 10.3133/pp393a
UR  - https://pubs.usgs.gov/publication/pp393A
ID  - pp393A
ER  -