@misc{indiciaedef55909c8e9,
  title = {United States Geological Survey Yearbook, fiscal year 1980},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1981},
  doi = {10.3133/70039034},
  url = {https://pubs.usgs.gov/publication/70039034},
  note = {Source identifier: 70039034}
}