@misc{indiciae84734177f524,
  title = {Spirit leveling in New York, 1896-1905 and 1912-1916},
  author = {Robert Bradford Marshall},
  year = {1918},
  doi = {10.3133/b671},
  url = {https://pubs.usgs.gov/publication/b671},
  note = {Source identifier: b671}
}