@misc{indiciae870a48d80f39,
  title = {Estimated sand and gravel resources of the South Merrimack, Hillsborough County, New Hampshire, 7.5-minute quadrangle},
  author = {D. M. Sutphin and L. J. Drew and B.K. Fowler},
  year = {2006},
  doi = {10.1007/s11053-006-9021-6},
  url = {https://pubs.usgs.gov/publication/70028300},
  note = {Source identifier: 70028300}
}