Results of the Work carried out by the Aero-photo Survey Expedition of the Central Hydrographical Department of G.U.S.M.P. (Russian Chief Administration of the Northern Sea Route) — 1935 (Extract). IHR [Internet]. 2018 May 30 [cited 2024 Dec. 21];(2). Available from: https://journals.lib.unb.ca/index.php/ihr/article/view/27616