@misc{indiciaeab02db11ad44,
  title = {A history of the Water Resources Division, U.S. Geological Survey; Volume VI, May 1, 1957 to June 30, 1966; the years of change},
  author = {Hugh H. Hudson and Joseph S. Cragwell},
  year = {1996},
  doi = {10.3133/7000084},
  url = {https://pubs.usgs.gov/publication/7000084},
  note = {Source identifier: 7000084}
}