@misc{indiciaed703f9cc6900,
  title = {Altitude and configuration of the water-level surface in Mesozoic sedimentary rocks at and near the North Penn Area 7 Superfund Site, Upper Gwynedd Township, Montgomery County, Pennsylvania, December 4-6, 2000},
  author = {Lisa A. Senior and Allan J. Ruddy},
  year = {2004},
  doi = {10.3133/ofr20041006},
  url = {https://pubs.usgs.gov/publication/ofr20041006},
  note = {Source identifier: ofr20041006}
}