00000nam 2200000zi 4500 9.879939 CaOODSP 20241203113652 m go d f cr |n||||||||| 190930s1973 onc #o f000 0 eng d CaOODSP eng rda CaOODSP n-cn--- En57-23/2-73E-PDF Aston, D., author. Soil temperature data, 1958-1972 / by D. Aston. Downsview, Ontario : Environment Canada, Atmospheric Environment = Environnement Canada, Environnement atmosphérique, 1973. 1 online resource (19 pages) text txt rdacontent computer c rdamedia online resource cr rdacarrier CLI ; 2-73 Digitized edition from print [produced by Environment and Climate Change Canada]. "A national study of soil temperatures began in 1958. Before establishing a network of recording stations the Meteorological Branch of the Department of Transport, now the Atmospheric Environment Service of the Department of the Environment; the Experimental Farms Service of the Canada Department of Agriculture and the Division of Building Research of the National Research Council held planning discussions in 1957 and 1958"--page 1. gccst Soil gccst Temperature Canada. Environment Canada. Canada. Atmospheric Environment Service. CLI (series : Online) 2-73. (CaOODSP)9.826234 PDF 40.62 MB https://publications.gc.ca/collections/collection_2019/eccc/en57-23/En57-23-2-73-eng.pdf