@misc{indiciae0873196c0032,
  title = {Application of ground penetrating radar to estimate sand and gravel resources near Bow, southern New Hampshire},
  author = {Herbert A. Pierce and Joseph Duval and Dave Sutphin},
  year = {2003},
  doi = {10.3133/ofr03498},
  url = {https://pubs.usgs.gov/publication/ofr03498},
  note = {Source identifier: ofr03498}
}