@misc{indiciae5efa631c56c7,
  title = {Elevation-derived watershed basins and characteristics for major rivers of the conterminous United States},
  author = {S.K. Poppenga and B.B. Worstell},
  year = {2008},
  doi = {10.3133/sir20085153},
  url = {https://pubs.usgs.gov/publication/sir20085153},
  note = {Source identifier: sir20085153}
}