@misc{indiciaed33ab28e7f40,
  title = {Triangulation and primary traverse, 1916-1918. Triangulation and primary traverse in Kentucky and Tennessee, 1916-1918, including spirit leveling in Camp Knox Military Reservation, Kentucky},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1923},
  doi = {10.3133/b709h},
  url = {https://pubs.usgs.gov/publication/b709H},
  note = {Source identifier: b709H}
}