@misc{indiciaee1c175024e18,
  title = {Triangulation and primary traverse, 1916-1918. Triangulation in Arizona, California, and Nevada, 1915-1919},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1923},
  doi = {10.3133/b709m},
  url = {https://pubs.usgs.gov/publication/b709M},
  note = {Source identifier: b709M}
}