@misc{indiciae723314e56130,
  title = {Geologic map on anthracite-bearing rocks in the southern half of the Delano Quadrangle, Schuykill County, Pennsylvania},
  author = {G.H. Wood},
  year = {1974},
  doi = {10.3133/i737},
  url = {https://pubs.usgs.gov/publication/i737},
  note = {Source identifier: i737}
}