@misc{indiciaee7e018b38e6c,
  title = {Surface water investigations in Afghanistan: a summary of activities from 1952 to 1969},
  author = {Arthur O. Westfall},
  year = {1969},
  doi = {10.3133/ofr73364},
  url = {https://pubs.usgs.gov/publication/ofr73364},
  note = {Source identifier: ofr73364}
}