@misc{indiciae8b208e4da73e,
  title = {Hydrogeologic data for Graces Quarters, Aberdeen Proving Ground, Maryland},
  author = {Lisa K. Ham and F.J. Tenbus and L.N. Sears and S.W. Phillips},
  year = {1991},
  doi = {10.3133/ofr9171},
  url = {https://pubs.usgs.gov/publication/ofr9171},
  note = {Source identifier: ofr9171}
}