@misc{indiciaed2148f9f36fc,
  title = {Regional Aquifer-System Analysis Program of the US Geological Survey; bibliography, 1978-86},
  author = {J.B. Weeks and Ren Jen Sun},
  year = {1987},
  doi = {10.3133/wri874138},
  url = {https://pubs.usgs.gov/publication/wri874138},
  note = {Source identifier: wri874138}
}