@misc{indiciae518cd2207cc2,
  title = {Availability of hydrologic data for Montgomery County, Maryland},
  author = {William J. Herb},
  year = {1977},
  doi = {10.3133/ofr76884},
  url = {https://pubs.usgs.gov/publication/ofr76884},
  note = {Source identifier: ofr76884}
}