@misc{indiciae90bf7678cab5,
  title = {North American Datum of 1983, map data conversion tables; United States east of 96 degrees West longitude, Puerto Rico and the U. S. Virgin Islands},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1989},
  doi = {10.3133/b1875a},
  url = {https://pubs.usgs.gov/publication/b1875A},
  note = {Source identifier: b1875A}
}