Lenox-conyngham GP. Report on the Levelling Carried out to Ascertain the Motion , if any of Bench Marks Fixed to Trees in the Compound of the Trignometrical Survey Office, Dehra Dun, during the Period April 1914 to April 1917. Indian Forester [Internet]. [cited 2025 Oct. 29];43(11-12):505-9. Available from: https://indianforester.co.in/index.php/indianforester/article/view/18182