@misc{indiciaef974d256a7f0,
  title = {Channel geometry and strath levels of the Potomac River between Great Falls, Maryland and Hampshire, West Virginia},
  author = {E-an Zen},
  year = {1997},
  doi = {10.3133/ofr97480},
  url = {https://pubs.usgs.gov/publication/ofr97480},
  note = {Source identifier: ofr97480}
}