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Primary Productivity by Phytoplankton in the Tidal, Fresh Potomac River, Maryland, May 1980 to August 1981

Description: Purpose and scope: The purpose of this study was to determine primary productivity and respiration of the fresh, tidal Potomac River. The data will be used by the authors and other researchers involved in modelling chemical and biological properties to calculate phytoplankton growth rates. Methods are documented in detail so that the report could serve as a reference. The report covers the period from May 1980 through August 1981. Five stations were selected for study that are representative of… more
Date: 1983
Creator: Cohen, Ronald R. H. & Pollock, Sheryl O.
Partner: UNT Libraries Government Documents Department
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Map Showing the Difference between the Potentiometric Surfaces of the Magothy Aquifer of September 1975 and September 1982 in Southern Maryland

Description: This is a map, scale 1:250,000, showing the difference between the potentiometric surfaces of the Magothy aquifer of September 1975 and September 1982 in southern Maryland.
Date: 1982
Creator: Mack, Frederick K.; Wheeler, Judith C. & Curtin, Stephen E.
Partner: UNT Libraries Government Documents Department
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