@misc{indiciaeacbd6409278a,
  title = {Improvements made on the use of type curves},
  author = {W.C. Walton and W.J. Drescher},
  year = {1952},
  doi = {10.3133/ofr52163},
  url = {https://pubs.usgs.gov/publication/ofr52163},
  note = {Source identifier: ofr52163}
}