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040 _aJJG
_cJJG
043 _an-us---
049 _aPUXA
074 _a0624-B-02 (MF)
086 0 _aI 19.42/4-4:2004-5123
100 1 _aHarden, Stephen L.
_2Local
_9108147
245 1 0 _aIonic composition and nitrate in drainage water from fields fertilized with different nitrogen sources, Middle Swamp watershed, North Carolina, August 2000-August 2001
_h[microform]
_cby Stephen L. Harden and Timothy B. Spruill ; prepared in cooperation with the North Carolina Department of Environment and Natural Resources, Division of Water Quality, Groundwater Section.
260 _a[Reston, Vir.]
_bU.S. Geological Survey
_c2004.
300 _aiv, 14 p.
_bill. (some col.), col. maps
_c28 cm.
504 _aIncludes bibliographical references (p. 12-14).
500 _aShipping list no.: 2004-511-M.
533 _aMicrofiche.
_b[Washington, D.C.]
_cSupt. Docs./G.P.O.
_d2004.
_e1 microfiche : negative.
650 0 _aNitrates
_xEnvironmental aspects
_zNorth Carolina
_zMiddle Swamp Watershed (Pitt County)
_2Local
_9142968
650 0 _aWater
_xPollution
_zNorth Carolina
_zMiddle Swamp Watershed (Pitt County)
_2Local
_9187410
650 0 _aDrainage
_xEnvironmental aspects
_zNorth Carolina
_zMiddle Swamp Watershed (Pitt County)
_2Local
_988514
700 1 _aSpruill, T. B.
_2Local
_9173530
710 1 _aNorth Carolina
_bGroundwater Section.
_2Local
_9143316
710 _aGeological Survey (U.S.)
_2Local
_9227708
830 0 _aScientific investigations report
_v2004-5123.
999 _c195243
_d195243