@misc{indiciae36b564ec2940,
  title = {Climate variation and its effects on our land and water : Part C, Geological Survey climate plan},
  author = {Keith A. Howard and George I. Smith},
  year = {1978},
  doi = {10.3133/cir776c},
  url = {https://pubs.usgs.gov/publication/cir776C},
  note = {Source identifier: cir776C}
}