@misc{indiciaee410ef71c466,
  title = {Upper Cenozoic deposits of the central Delmarva Peninsula, Maryland and Delaware},
  author = {James Patrick Owens and Charles Storrow Denny},
  year = {1979},
  doi = {10.3133/pp1067a},
  url = {https://pubs.usgs.gov/publication/pp1067A},
  note = {Source identifier: pp1067A}
}