@misc{indiciaeef9104d40a9d,
  title = {Generalized structure contour maps of the New Jersey coastal plain},
  author = {Hoarce G. Richards and F. H. Olmsted and James L. Ruhle},
  year = {1962},
  url = {https://pubs.usgs.gov/publication/70095376},
  note = {Source identifier: 70095376}
}