Use of stable isotopes of carbon, nitrogen, and sulfur to identify sources of nitrogen in surface waters in the lower Susquehanna River Basin, Pennsylvania / by Charles A. Cravotta, III.
Series: U.S. Geological Survey water-supply paper ; 2497Publication details: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver CO : U.S. Geological Survey, Branch of Information Services, 1997 [i.e., 2002].Description: v, 99 p. : ill., map ; 28 cmISBN:- 0607872071
- 628.1/61 21
- TD427.N5 C73 1997
'Prepared in cooperation with the Pennsylvania Department of Environmental Protection, Bureau of Soil and Water Conservation.'
Shipping list no.: 2002-0121-P.
Includes bibliographical references (p. 63-68).
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