@misc{indiciae57b20da84c21,
  title = {Vegetation communities at Big Muddy National Fish and Wildlife Refuge, Missouri},
  author = {Matthew A. Struckhoff and Keith W. Grabner and Esther D. Stroh},
  year = {2011},
  doi = {10.3133/ofr20111038},
  url = {https://pubs.usgs.gov/publication/ofr20111038},
  note = {Source identifier: ofr20111038}
}