@misc{indiciae0f5f81791694,
  title = {Influence of rainfall and ancient landslide deposits on recent landslides (1950-71) in urban areas of Contra Costa County, California},
  author = {Tor Helge Nilsen and Barbara L. Turner},
  year = {1975},
  doi = {10.3133/b1388},
  url = {https://pubs.usgs.gov/publication/b1388},
  note = {Source identifier: b1388}
}