@misc{indiciaed8359d0a867e,
  title = {Directives, information sources, handbooks},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1989},
  doi = {10.3133/1452},
  url = {https://pubs.usgs.gov/publication/1452},
  note = {Source identifier: 1452}
}