@misc{indiciae40a884e62ccb,
  title = {Atmospheric nitrogen in the Mississippi River Basin: Amissions, deposition and transport},
  author = {G.B. Lawrence and D. A. Goolsby and W.A. Battaglin and G.J. Stensland},
  year = {2000},
  doi = {10.1016/s0048-9697(99)00533-1},
  url = {https://pubs.usgs.gov/publication/70022922},
  note = {Source identifier: 70022922}
}