@misc{indiciae6cebf09efdfc,
  title = {Landslide susceptibility map of the Pittsburgh west Quadrangle, Allegheny County, Pennsylvania},
  author = {J. S. Pomeroy},
  year = {1977},
  doi = {10.3133/i1035},
  url = {https://pubs.usgs.gov/publication/i1035},
  note = {Source identifier: i1035}
}