@misc{indiciaeeb774846c14d,
  title = {Maps showing geologic and hydrologic factors affecting land-use planning in Fairfax County, Virginia},
  author = {A.J. Froelich},
  year = {1980},
  doi = {10.3133/mf1233},
  url = {https://pubs.usgs.gov/publication/mf1233},
  note = {Source identifier: mf1233}
}