TY  - RPRT
TI  - Maastrichtian ammonites chiefly from the Prairie Bluff Chalk in Alabama and Mississippi
AU  - W. A. Cobban
AU  - W. J. Kennedy
PY  - 2017
DO  - 10.1017/s0022336000061096
UR  - https://pubs.usgs.gov/publication/70018790
ID  - 70018790
ER  -