00000nam 2200000zi 4500 9.952775 CaOODSP 20250703085900 m o d f cr bn||||||||| 250627e19610913oncb o f000 0 eng d CaOODSP eng rda CaOODSP nl----- En57-56/371-1961E-PDF Archibald, Donald Charles, 1906-2000 author. Aerial ice observing and reconnaissance programme in the Great Lakes, 1961 / by D.C. Archibald, M.N. Monsinger, T.B. Kilpatrick. Aerial ice observing and reconnaissance, the Great Lakes, 1961 [Toronto] : Meteorological Branch - Department of Transport - Canada, 13 Sep 61. 1 online resource (iii, 57 pages) : maps. text txt rdacontent computer c rdamedia online resource cr rdacarrier TEC ; 371 Caption title. Digitized edition from print [produced by Environment and Climate Change Canada]. Imperfect copy missing pages 17-32. "This is the ninth technical report in the series concerning the ice conditions observed by aerial ice reconnaissance conducted by the Meteorological Branch, Department of Transport. This technical report describes observed ice conditions with regard to ice coverage, age, topography, puddling, snow cover, and water features over the area of Lake Superior, the North Channel, Georgian Bay, Lake Huron, Lake Erie, Lake Ontario and adjacent waterways, during the period January to April, 1961, inclusive"--Page [ii]. Ice on rivers, lakes, etc. Great Lakes (North America) Observations. Glace sur les cours d'eau, lacs, etc. Grands Lacs (Amérique du Nord) Observations. Great Lakes (North America) Aerial exploration. Grands Lacs (Amérique du Nord) Exploration aérienne. Canada. Meteorological Branch, issuing body. TEC ; 371. (CaOODSP)9.934253 PDF 1.28 MB https://publications.gc.ca/collections/collection_2025/eccc/en57/En57-56-371-1961-eng.pdf 672572426 CIR-3530 UDC: 551.311.182 (77)