Collection search - Samples of how air photos can be used to provide a reliable base map for determining the amount of timber in an area. The work was done by Canadian Airways Ltd., Surveys Division, Montreal, Quebec. [cartographic material]
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Record information – Brief 
Samples of how air photos can be used to provide a reliable base map for determining the amount of timber in an area. The work was done by Canadian Airways Ltd., Surveys Division, Montreal, Quebec. [cartographic material]
Hierarchical level:FileDate:1935.Reference:R12712-106-2-E, Box number: 2000032665Type of material:Architectural and technical drawingsFound in:Archives / Collections and FondsItem ID number:4459716Context of this record: -
Record information – Details Date(s):1935.Place of creation:CanadaExtent:43 maps.Language of material:EnglishProvenance:Additional information:Source:PrivateOther accession no.: -
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