1. U.S. Geological
Survey Utah Water Science Center, Salt Lake City, Utah 84119, United States
2. Earth
and Environmental Systems Institute and Department of Geosciences, Pennsylvania State University, University Park, Pennsylvania 16802, United States
3. Department
of Geology and Geophysics, University of Utah, Salt Lake City, Utah 84112, United States
4. U.S. Geological
Survey Pennsylvania Water Science Center, New
Cumberland, Pennsylvania 17070, United States