@misc{indiciae5f9c546f8e3a,
  title = {A computer program for calculating subregional water budgets using results from the U.S. Geological Survey Modular Three-Dimensional Finite- Difference Ground-Water Flow Model},
  author = {A.W. Harbaugh},
  year = {1990},
  doi = {10.3133/ofr90392},
  url = {https://pubs.usgs.gov/publication/ofr90392},
  note = {Source identifier: ofr90392}
}