@misc{indiciaed351eae63ff3,
  title = {Preliminary investigation of the ground-water resources of the Merrimack River drainage basin, New Hampshire and Massachusetts},
  author = {William B. Allen and Henry N. Halberg and Marvin A. Pistrang},
  year = {1952},
  doi = {10.3133/ofr524},
  url = {https://pubs.usgs.gov/publication/ofr524},
  note = {Source identifier: ofr524}
}