1. BioTechnology Institute, University of Minnesota, Saint Paul 55108, Minnesota, United States
2. Department of Earth and Environmental Sciences, University of Minnesota, Minneapolis 55455, Minnesota, United States
3. Department of Earth and Environmental Science, New Mexico Institute of Mining and Technology, Socorro 87801, New Mexico, United States
4. National Cave and Karst Research Institute, Carlsbad, New Mexico 88220, United States
5. Department of Civil Engineering, University of Minnesota Duluth, Duluth, Minnesota 55812, United States
6. Department of Physical and Environmental Sciences, University of Toronto—Scarborough, Toronto, Ontario M1C 1A4, Canada
7. Department of Biology, University of Minnesota Duluth, Duluth, Minnesota 55812, United States
8. Minnesota Pollution Control Agency, Saint Paul, Minnesota 55155, United States