@misc{indiciae7f63a56d182d,
  title = {Drill-hole logs and location map of surface and shallow subsurface materials, central and southern Delmarva Peninsula, Maryland, Delaware, and Virginia},
  author = {Melodie Hess},
  year = {1977},
  doi = {10.3133/mf899},
  url = {https://pubs.usgs.gov/publication/mf899},
  note = {Source identifier: mf899}
}