@misc{indiciae2a22fd366c0e,
  title = {Geology and ground water in Door County, Wisconsin, with emphasis on contamination potential in the Silurian dolomite},
  author = {Marvin G. Sherrill},
  year = {1977},
  doi = {10.3133/ofr7761},
  url = {https://pubs.usgs.gov/publication/ofr7761},
  note = {Source identifier: ofr7761}
}