@misc{indiciae7a6d1a3ee16e,
  title = {Water resources of Guam and the ex-Japanese mandated islands in the Western Pacific},
  author = {Arthur M. Piper},
  year = {1948},
  doi = {10.3133/ofr4832},
  url = {https://pubs.usgs.gov/publication/ofr4832},
  note = {Source identifier: ofr4832}
}