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Environmental aspects X TC X Cravotta, Charles A X Non-fiction X
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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

Published: [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]
Format: Print
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