Primary productivity by phytoplankton in the tidal, fresh Potomac River, Maryland, May 1980 to August 1981 /
by Ronald R.H. Cohen and Sheryl O. Pollock.

Description

Main Author: Cohen, Ronald R. H.
Related Names: Pollock, Sheryl O.
Geological Survey (U.S.)
Language(s): English
Published: Reston, Va. : U.S. Geological Survey, 1983.
Subjects: Freshwater phytoplankton > Freshwater phytoplankton / Potomac River.
Phytoplankton > Phytoplankton / Potomac River.
Potomac River.
Note: Tables.
Physical Description: 76 p. : ill., maps ; 28 cm.
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