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Federal
Historical phytoplankton species time-series data from the North American Pacific coast collected by W.E. Allen from 1917 through 1939 (NCEI Accession 0000725)
National Oceanic and Atmospheric Administration, Department of Commerce —
Diatom and dinoflagellate populations from various pier stations along the western North American coast were enumerated by W. E. Allen from 1917 through the...