Melissa A Lombard, USGS New England Water Science Center, Pembroke, NH, United States, Joseph Ayotte, USGS New England Water Science Center - New Hampshire Office, Pembroke, NH, United States, Matthew O Gribble, Emory University, Atlanta, United States, Maria Argos, University of Illinois at Chicago, Chicago, United States, Paul M Bradley, USGS South Atlantic Water Science Center, Columbia, SC, United States, Michael Joseph Focazio, USGS Headquarters, Reston, VA, United States and Patricia Toccalino, USGS Headquarters, Sacramento, United States