@misc{indiciae84dba63ec94e,
  title = {Triangulation and primary traverse, 1916-1918--Triangulation in Wyoming and Colorado, 1916-1919},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1923},
  doi = {10.3133/b709p},
  url = {https://pubs.usgs.gov/publication/b709P},
  note = {Source identifier: b709P}
}