Determination of tree heights from shadows in air photographs /
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| Main Author: | |
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| Corporate Author: | |
| Format: | Book |
| Language: | English |
| Published: |
Ottawa :
Canada. Dept. of Mines and Resources. Lands, Parks and Forests Branch. Dominion Forest Service,
1942.
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| Series: | Aerial forest survey research note ;
no. 1. |
| Subjects: |