@misc{indiciae56ccd0de6eea,
  title = {Geologic map of the New Windsor Quadrangle, Carroll County, Maryland},
  author = {G.W. Fisher},
  year = {1978},
  doi = {10.3133/i1037},
  url = {https://pubs.usgs.gov/publication/i1037},
  note = {Source identifier: i1037}
}