@misc{indiciaeee8ac1117438,
  title = {Land use and land cover, 1974-75, Oregon City, Oregon},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1980},
  doi = {10.3133/l161},
  url = {https://pubs.usgs.gov/publication/l161},
  note = {Source identifier: l161}
}