@misc{indiciaec5cc35e4c7e9,
  title = {Barbow's booklet on tree scale and section diagram : useful to timber estimators, timber owners, and compass men — Illustration, BHL page 21982518},
  year = {1909},
  url = {https://www.biodiversitylibrary.org/page/21982518},
  note = {Source identifier: page-21982518}
}