@misc{indiciae62efd15eab8d,
  title = {Depth to bedrock, Hartford North Quadrangle, Connecticut},
  author = {E. H. Handman and C. T. Hildreth},
  year = {1972},
  doi = {10.3133/i784d},
  url = {https://pubs.usgs.gov/publication/i784D},
  note = {Source identifier: i784D}
}