@misc{indiciae8f40c2bda27d,
  title = {Streamflow conditions for the conterminous United States and southern Canada annual maps (water years 1921-90) and monthly maps (water years 1945-90)},
  author = {Krishnaveni V. Sarma},
  year = {1991},
  doi = {10.3133/ofr90160},
  url = {https://pubs.usgs.gov/publication/ofr90160},
  note = {Source identifier: ofr90160}
}