TY - RPRT TI - Rivermouth alteration of agricultural impacts on consumer tissue δ 15 N AU - James H. Larson AU - William B. Richardson AU - Jonathan M. Vallazza AU - J. C. Nelson PY - 2013 DO - 10.1371/journal.pone.0069313 UR - https://pubs.usgs.gov/publication/70057585 ID - 70057585 ER -