@misc{indiciaecaa3591114a7,
  title = {Map Scales},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {2002},
  doi = {10.3133/fs01502},
  url = {https://pubs.usgs.gov/publication/fs01502},
  note = {Source identifier: fs01502}
}