@misc{indiciae28ff2d0dccc8,
  title = {Map showing landslides and relative slope stability of Quaternary deposits of the lower Skagit and Baker Valleys, North Cascades, Washington},
  author = {Paul L. Heller},
  year = {1979},
  doi = {10.3133/ofr79963},
  url = {https://pubs.usgs.gov/publication/ofr79963},
  note = {Source identifier: ofr79963}
}