@misc{indiciae4941ba22b1df,
  title = {Use of surface-geophysical and borehole-radar methods to detect fractures in crystalline rocks, Mirror Lake area, Grafton County, New Hampshire},
  author = {F.P. Haeni and John W. Lane and D.A. Lieblich},
  url = {https://pubs.usgs.gov/publication/70206252},
  note = {Source identifier: 70206252}
}