TY  - RPRT
TI  - The Cretaceous-Tertiary boundary interval in Badlands National Park, South Dakota
AU  - Philip W. Stoffer
AU  - Paula Messina
AU  - John A. Chamberlain
AU  - Dennis O. Terry
PY  - 2001
DO  - 10.3133/ofr0156
UR  - https://pubs.usgs.gov/publication/ofr0156
ID  - ofr0156
ER  -