@misc{indiciae0da37fb5ca5c,
  title = {The national hydrologic bench-mark network},
  author = {Ernest D. Cobb and J.E. Biesecker},
  year = {1971},
  doi = {10.3133/cir460d},
  url = {https://pubs.usgs.gov/publication/cir460D},
  note = {Source identifier: cir460D}
}