TY  - RPRT
TI  - Calcareous nannofossils and foraminifers from Paleocene and Eocene strata in Maryland and Virginia
AU  - Laurel M. Bybell
AU  - Thomas G. Gibson
PY  - 1991
UR  - https://pubs.usgs.gov/publication/70221646
ID  - 70221646
ER  -