@misc{indiciae57d6434e6357,
  title = {A history of the Water Resources Division, U.S. Geological Survey; Volume V, July 1, 1947, to April 30, 1957},
  author = {G. E. Ferguson},
  year = {1990},
  doi = {10.3133/7000089},
  url = {https://pubs.usgs.gov/publication/7000089},
  note = {Source identifier: 7000089}
}