@misc{indiciae111f5c4cf047,
  title = {Historical review of the International Water Resources Program of the U.S. Geological Survey, 1940-70},
  author = {G. C. Taylor},
  year = {1973},
  doi = {10.3133/ofr73275},
  url = {https://pubs.usgs.gov/publication/ofr73275},
  note = {Source identifier: ofr73275}
}