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Geological Survey (U.S.)
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United States

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Current results range from 1987 to 1988

1.
Data on physical, chemical, and biological characteristics of hydrilla beds, mixed vegetation beds, and unvegetated sites in the tidal Potomac River, Maryland and Virginia, 1987
Published
Reston, Va. : U.S. Geological Survey, 1988.
Location
MARX Library MICRO - ask at Info Desk >> Fiche I 19.76:88-709
Format
Books / Microforms
2.
Aggregation of Minnesota water-use data and transfer of data to the National Water-Use Data System procedures and programs
Author
Trotta, L. C. (Lee C.)
Published
St. Paul, Minn. : U.S. Geological Survey, 1987.
Location
MARX Library MICRO - ask at Info Desk >> Fiche I 19.76:87-40
Format
Books / Microforms