@misc{indiciaefd2cf33457fa,
  title = {Using an acreage sampling template with U.S. Geological Survey 1:250,000-scale land use and land cover maps},
  author = {E.L. Schwertz and G.L. Loelkes},
  year = {1985},
  doi = {10.3133/ofr85303},
  url = {https://pubs.usgs.gov/publication/ofr85303},
  note = {Source identifier: ofr85303}
}