@misc{indiciaefd2d99775859,
  title = {Catalog of available clear mylar templates used to determine latitude and longitude of sample localities between the latitudes of 51 degrees 00' and 71 degrees 30' at the scale of 1:63,360 and between the latitude of 49 degrees 00'00" north or south at the scale of 1:250,000},
  author = {W. L. Campbell and George VanTrump},
  year = {1982},
  doi = {10.3133/ofr82723},
  url = {https://pubs.usgs.gov/publication/ofr82723},
  note = {Source identifier: ofr82723}
}