@misc{indiciae250247e3d92b,
  title = {Subsurface structure map foR the Lost Soldier field},
  author = {E.A. Swedenborg},
  year = {1944},
  doi = {10.3133/ofr4443},
  url = {https://pubs.usgs.gov/publication/ofr4443},
  note = {Source identifier: ofr4443}
}