. Canadian forestry journal. Forests and forestry -- Canada Periodicals. 150 Cniunllan forestry Journal, April, An example of the infinite detail obtainable in Aerial Photo-Tonoc^raDbir 1 work-although the picture loses considerable detail in reproducdon the differen varieties of trees and crops can be discerned. In one instLce even the ftfrro " marks m a recently ploughed field are hown. iurro\\ To transform a continuous series o these pictures into a correct map of the and dTirerof"fncr°"t-'''''J'°" °^ '\' -^^^"^^^"^ ^' ^^''"^h each picture wL taken

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. Canadian forestry journal. Forests and forestry -- Canada Periodicals. 150 Cniunllan forestry Journal, April, An example of the infinite detail obtainable in Aerial Photo-Tonoc^raDbir 1 work-although the picture loses considerable detail in reproducdon the differen varieties of trees and crops can be discerned. In one instLce even the ftfrro " marks m a recently ploughed field are hown. iurro\\ To transform a continuous series o these pictures into a correct map of the and dTirerof"fncr°"t-'''''J'°" °^ '\' -^^^"^^^"^ ^' ^^''"^h each picture wL taken b^ ,;^.m'"T''' "^°sa.'^/%"ot a true record but an absolutely correct scale map can be made from aerial photographs, giv:n the necessary data and technical skill Ihis method ,s many tnr-es quicker an cheaper than those at present emploved. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Canadian Forestry Association. [Ottawa] : Canadian Forestry Association

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