@misc{indiciaeebaca578500b,
  title = {The U.S. Geological Survey Library},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {2004},
  doi = {10.3133/fs12503},
  url = {https://pubs.usgs.gov/publication/fs12503},
  note = {Source identifier: fs12503}
}