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| Canada 1970. The Official Handbook of Present Conditions and Recent Progress. Ottawa: Year Book Division, Dominion Bureau of Statistics, 1970. |
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| Canada Handbook. The 47th Annual Handbook of Present Conditions and Recent Progress. Ottawa: Publishing Section, Information Division, Statistics Canada,1978. |
I suppose all of these magnetic tapes are now taking up room in land fills. As far as I know, no one ever developed a method of recycling this stuff. (Think VHS tapes.)
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