@misc{indiciae2a7ab54ab991,
  title = {ROLES OF REMOTE SENSING AND CARTOGRAPHY IN THE USGS NATIONAL MAPPING DIVISION.},
  author = {Rupert B. Southard and John W. Salisbury},
  year = {1983},
  url = {https://pubs.usgs.gov/publication/70012116},
  note = {Source identifier: 70012116}
}