TY  - RPRT
TI  - Ostracode biostratigraphy of the Yorktown Formation (upper Miocene and lower Pliocene) of Virginia and North Carolina
AU  - Joseph E. Hazel
PY  - 1971
DO  - 10.3133/pp704
UR  - https://pubs.usgs.gov/publication/pp704
ID  - pp704
ER  -