@misc{indiciaec62c10e51968,
  title = {Climate variation and its effects on our land and water : Part B, Current research by the Geological Survey},
  year = {1978},
  doi = {10.3133/cir776b},
  url = {https://pubs.usgs.gov/publication/cir776B},
  note = {Source identifier: cir776B}
}