@misc{indiciae93afe122f11a,
  title = {Implementation of local grid refinement (LGR) for the Lake Michigan Basin regional groundwater-flow model},
  author = {C. J. Hoard},
  year = {2010},
  doi = {10.3133/sir20105117},
  url = {https://pubs.usgs.gov/publication/sir20105117},
  note = {Source identifier: sir20105117}
}