000			01877nam a22004338a 4500
005			20250930114119.0
008			020914s2002 xxuab b f000 0 eng
010			_a97-010381
020			_a0607872071
035			_a(DGPO)99091363
035			_a(OCoLC)ocm36597737
037			_a9-790607-872070 _bUSGS
039		9	_y09-14-2002 _zariff
040			_aDLC _cDLC _dGPO _dDLC
043			_an-us-pa
050	0	0	_aTD427.N5 _bC73 1997
074			_a0625
082	0	0	_a628.1/61 _221
086	0		_aI 19.13:2497
100	1		_aCravotta, Charles A.
245	1	0	_aUse of stable isotopes of carbon, nitrogen, and sulfur to identify sources of nitrogen in surface waters in the lower Susquehanna River Basin, Pennsylvania / _cby Charles A. Cravotta, III.
260			_a[Reston, Va.] : _bU.S. Dept. of the Interior, U.S. Geological Survey ; _aDenver CO : _bU.S. Geological Survey, Branch of Information Services, _c1997 [i.e., 2002].
263			_a9704
300			_av, 99 p. : _bill., map ; _c28 cm.
440		0	_aU.S. Geological Survey water-supply paper ; _v2497
500			_a'Prepared in cooperation with the Pennsylvania Department of Environmental Protection, Bureau of Soil and Water Conservation.'
500			_aShipping list no.: 2002-0121-P.
504			_aIncludes bibliographical references (p. 63-68).
650		0	_aNitrogen _xEnvironmental aspects _zSusquehanna River Watershed.
650		0	_aWater _xPollution _zSusquehanna River Watershed _xPoint source identification.
650		0	_aRadioactive tracers in water pollution research _zSusquehanna River Watershed.
710	1		_aPennsylvania. _bBureau of Soil and Water Conservation. _952691
710	2		_aGeological Survey (U.S.)
907			_a.b1309953x _b2019-11-13 _c2019-11-12
942			_n0
914			_avtls000322718
998			_anone _b2002-01-09 _cm _da _feng _gxxu _y0 _z.b1309953x
999			_c309646 _d309646