@misc{indiciae985d68c22226,
  title = {A classification of U.S. estuaries based on physical and hydrologic attributes},
  author = {V.D. Engle and J.C. Kurtz and L.M. Smith and C. Chancy and P. Bourgeois},
  year = {2007},
  doi = {10.1007/s10661-006-9372-9},
  url = {https://pubs.usgs.gov/publication/70030183},
  note = {Source identifier: 70030183}
}