2 edition of Nitrogen dynamics in the tidal freshwater Potomac River, Maryland and Virginia, water years 1979-81 found in the catalog.
Nitrogen dynamics in the tidal freshwater Potomac River, Maryland and Virginia, water years 1979-81
David J. Shultz
|Statement||by David J. Shultz.|
|Series||U.S. Geological Survey water-supply paper -- 2234-J|
|LC Classifications||USGSWSPAP#2234-J 1990|
|The Physical Object|
|Pagination||vii, 41 p. :|
|Number of Pages||41|
|LC Control Number||89-600051|
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