TY  - RPRT
TI  - The Paleozoic and Mesozoic rocks; a discussion to accompany the geologic map of the United States
AU  - Philip Burke King
AU  - Helen Marie Beikman
PY  - 1976
DO  - 10.3133/pp903
UR  - https://pubs.usgs.gov/publication/pp903
ID  - pp903
ER  -