@misc{indiciae5804c01d6a06, title = {Trace metal concentrations in shallow ground water}, author = {L.M. Zelewski and D. P. Krabbenhoft and D.E. Armstrong}, year = {2005}, doi = {10.1111/j.1745-6584.2001.tb02336.x}, url = {https://pubs.usgs.gov/publication/70023702}, note = {Source identifier: 70023702} }