Elementary agricultural air photo interpretation : with particular reference to Eastern Canada
Year of publication: |
1955
|
---|---|
Authors: | Packman, D. J. ; Philpotts, L. E. |
Institutions: | Department of Agriculture, Marketing Service, Economics Division (contributor) |
Publisher: |
Ottawa |
Subject: | Luftbild | Agrarbodenbenutzung | Kanada |
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