@misc{indiciae932404f58e98,
  title = {MODFLOW-2000, The U.S. Geological Survey modular ground-water model: User guide to modularization concepts and the ground-water flow process},
  author = {Arlen W. Harbaugh and Edward R. Banta and Mary C. Hill and Michael G. McDonald},
  year = {2000},
  doi = {10.3133/ofr200092},
  url = {https://pubs.usgs.gov/publication/ofr200092},
  note = {Source identifier: ofr200092}
}