@misc{indiciae6a618fd7a2e5,
  title = {Converting analog interpretive data to digital formats for use in database and GIS applications},
  author = {James G. Flocks},
  year = {2004},
  doi = {10.3133/ofr20041070},
  url = {https://pubs.usgs.gov/publication/ofr20041070},
  note = {Source identifier: ofr20041070}
}