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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 biologically important reaches of the fresh, tidal Potomac River.
Date: 1983
Creator: Cohen, Ronald R. H. & Pollock, Sheryl O.

Aerial Radiometric and Magnetic Reconnaissance Survey of Portions of Alabama, Georgia, Kentucky, Maryland, North Carolina, Ohio, Pennsylvania, Virginia, and West Virginia: Volume 1. Final Report

Description: Final report documenting a high-sensitivity airborne radiometric and magnetic survey of the Canton, Clarksburg, Cumberland, Charleston, Charlottesville, Jenkins, Bluefield, Roanoke, Corbin, Chattanooga, and Rome quadrangle areas including background information, a description of methods, data reduction and analysis, and data presented in maps, tables, and graphical forms.
Date: March 1980
Creator: Texas Instruments Incorporated

Aerial Radiometric and Magnetic Reconnaissance Survey of Portions of Alabama, Georgia, Kentucky, Maryland, North Carolina, Ohio, Pennsylvania, Virginia, and West Virginia: Volume 2-C. Cumberland Quadrangle

Description: Second volume of a report documenting a high-sensitivity airborne radiometric and magnetic survey of the Cumberland quadrangle including results of data interpretation, significance factor profile maps, stacked profiles, and histograms.
Date: March 1980
Creator: Texas Instruments Incorporated