@misc{indiciaeb829311a235c,
  title = {Average Annual Runoff in the United States, 1951-80},
  author = {W.A. Gebert and David J. Graczyk and William R. Krug},
  year = {1985},
  doi = {10.3133/ofr85627},
  url = {https://pubs.usgs.gov/publication/ofr85627},
  note = {Source identifier: ofr85627}
}