@misc{indiciaeda563a68b7b4,
  title = {Natural land slopes, Hartford North Quadrangle, Connecticut},
  author = {R.M. Barker and C.S. Stone},
  year = {1972},
  doi = {10.3133/i784i},
  url = {https://pubs.usgs.gov/publication/i784I},
  note = {Source identifier: i784I}
}