@misc{indiciae6d4ddc03f4f3,
  title = {Pilot test of wetland condition indicators in the prairie pothole region of the United States},
  author = {S.A. Peterson and L. Carpenter and G. Guntenspergen and L.M. Cowardin},
  year = {1997},
  url = {https://pubs.usgs.gov/publication/93740},
  note = {Source identifier: 93740}
}