@misc{indiciae6971ed743adc,
  title = {Bedrock and engineering geologic maps of Bronx County and parts of New York and Queens counties, New York},
  author = {C.A. Baskerville},
  year = {1992},
  doi = {10.3133/i2003},
  url = {https://pubs.usgs.gov/publication/i2003},
  note = {Source identifier: i2003}
}