@misc{indiciaeb22377a0ce5b,
  title = {Simulation of ground-water flow and areas contributing ground water to production wells, Cadillac, Michigan},
  author = {Christopher J. Hoard and David B. Westjohn},
  year = {2005},
  doi = {10.3133/sir20045175},
  url = {https://pubs.usgs.gov/publication/sir20045175},
  note = {Source identifier: sir20045175}
}