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Use of stable isotopes of carbon, nitrogen, and sulfur to identify sources of nitrogen in surface waters in the lower Susquehanna River Basin, Pennsylvania /

Cravotta, Charles A.

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. - [Reston, Va.] : Denver CO : U.S. Dept. of the Interior, U.S. Geological Survey ; U.S. Geological Survey, Branch of Information Services, 1997 [i.e., 2002]. - v, 99 p. : ill., map ; 28 cm. - U.S. Geological Survey water-supply paper ; 2497 .

'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).

ISBN: 0607872071

Source: 9-790607-872070 USGS

LCCN: 97-010381

Subjects--Topical Terms:
Nitrogen--Environmental aspects--Susquehanna River Watershed.
Water--Pollution--Point source identification.--Susquehanna River Watershed
Radioactive tracers in water pollution research--Susquehanna River Watershed.

LC Class. No.: TD427.N5 / C73 1997

Dewey Class. No.: 628.1/61

GPO Item No.: 0625

Gov. Doc. Class. No.: I 19.13:2497

Use of stable isotopes of carbon, nitrogen, and sulfur to identify sources of nitrogen in surface waters in the lower Susquehanna River Basin, Pennsylvania /

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