@misc{indiciaebdd24f7d7b6d,
  title = {Delineation of the Troy Bedrock Valley and particle-tracking analysis of ground-water flow underlying Belvidere, Illinois},
  author = {P.C. Mills and Keith J. Halford and R.P. Cobb},
  year = {2002},
  doi = {10.3133/wri024062},
  url = {https://pubs.usgs.gov/publication/wri024062},
  note = {Source identifier: wri024062}
}