@misc{indiciae19140f524486,
  title = {Average Annual Runoff in the United States, 1951-80},
  author = {W.A. Gebert and David J. Graczyk and William R. Krug},
  year = {1987},
  doi = {10.3133/ha710},
  url = {https://pubs.usgs.gov/publication/ha710},
  note = {Source identifier: ha710}
}