@misc{indiciae3a17a4fc3ecd,
  title = {Groundwater-level trends in the U.S. glacial aquifer system, 1964-2013},
  author = {Glenn A. Hodgkins and Robert W. Dudley and Martha G. Nielsen and Benjamin Renard and Sharon L. Qi},
  year = {2017},
  doi = {10.1016/j.jhydrol.2017.07.055},
  url = {https://pubs.usgs.gov/publication/70192341},
  note = {Source identifier: 70192341}
}