@misc{indiciae0c54254c8b28,
  title = {Overlay of Maps Used for Plotting and Rectifying Above Lines},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1966},
  doi = {10.3133/ofr66144},
  url = {https://pubs.usgs.gov/publication/ofr66144},
  note = {Source identifier: ofr66144}
}