@misc{indiciae42c0c8856c75,
  title = {Slope map of part of west-central King County, Washington},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1975},
  doi = {10.3133/i852e},
  url = {https://pubs.usgs.gov/publication/i852E},
  note = {Source identifier: i852E}
}