TY  - RPRT
TI  - The Cenozoic rocks; a discussion to accompany the geologic map of the United States
AU  - Philip Burke King
AU  - Helen M. Beikman
PY  - 1978
DO  - 10.3133/pp904
UR  - https://pubs.usgs.gov/publication/pp904
ID  - pp904
ER  -