@misc{indiciaecdcca9aa7178,
  title = {Land use and land cover and associated maps for Nebraska City, Missouri; Iowa, Nebraska (Missouri portion only.)},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1977},
  doi = {10.3133/ofr771},
  url = {https://pubs.usgs.gov/publication/ofr771},
  note = {Source identifier: ofr771}
}