00000nam 2200000zi 4500 9.952731 CaOODSP 20250626100842 m o d f cr bn||||||||| 250626e19590917oncb o f000 0 eng d CaOODSP eng rda CaOODSP r------ En57-56/310-1959E-PDF Aerial ice observing and reconnaissance - 1957. [Toronto] : Meteorological Branch - Department of Transport - Canada, 17 Sep 59. 1 online resource (iii, 31 pages) : maps. text txt rdacontent computer c rdamedia online resource cr rdacarrier TEC ; 310 Caption title. Digitized edition from print [produced by Environment and Climate Change Canada]. "The responsibility for carrying out Ice Observing and Reconnaissance was assigned in 1957 to the Basic Weather Division of the Meteorological Branch. In the Arctic Ocean areas west of Boothia Peninsula to Herschel Island and north from the mainland to Lancaster Sound, Ice Observers of the Meteorological Branch, Department of Transport, co-operated with the Royal Canadian Air Force in providing sea ice information for shipping engaged in transporting supplies to Arctic ports for the DEW Line"--Page [ii]. Ice Arctic regions Observations. Glace Arctique Observations. Arctic regions Aerial exploration. Arctique Exploration aérienne. Canada. Meteorological Branch, issuing body. TEC ; 310. (CaOODSP)9.934253 PDF 1.11 MB https://publications.gc.ca/collections/collection_2025/eccc/en57/En57-56-310-1959-eng.pdf 672572426 CIR-3254