@misc{indiciaec793cfeb3653,
  title = {User's manual for the National Water Information System of the U.S. Geological Survey; Chapter 1, Ground-water site-inventory system},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1997},
  doi = {10.3133/ofr97633},
  url = {https://pubs.usgs.gov/publication/ofr97633},
  note = {Source identifier: ofr97633}
}