TY - RPRT TI - Phytoplankton Abundance and Generic Composition Data for the Potomac River and Estuary, Maryland AU - R.R.H. Cohen AU - S.O. Pollock AU - V.E. Stoelzel AU - K.E. Boulukos PY - 1985 DO - 10.3133/ofr84859 UR - https://pubs.usgs.gov/publication/ofr84859 ID - ofr84859 ER -