TY - RPRT TI - Nitrogen speciation and trends, and prediction of denitrification extent, in shallow US groundwater AU - Stephen R. Hinkle AU - Anthony J. Tesoriero PY - 2014 DO - 10.1016/j.jhydrol.2013.11.048 UR - https://pubs.usgs.gov/publication/70135422 ID - 70135422 ER -