@misc{indiciae6bf8d132e467,
  title = {Altitude and configuration of the regional potentiometric surface, Willow Grove Naval Air Station/Joint Reserve Base and vicinity, Horsham Township, Montgomery County, Pennsylvania, October 7-8, 1999},
  author = {Ronald A. Sloto and D.J. Goode and John H. Way},
  year = {2001},
  doi = {10.3133/ofr01149},
  url = {https://pubs.usgs.gov/publication/ofr01149},
  note = {Source identifier: ofr01149}
}