@misc{indiciae17837b6e10ab,
  title = {Geologic cross section of the Sparrows Point district, Maryland},
  author = {R.R. Bennett and R. R. Meyer},
  year = {1951},
  doi = {10.3133/ofr5199},
  url = {https://pubs.usgs.gov/publication/ofr5199},
  note = {Source identifier: ofr5199}
}