Recognition of tree species on aerial photographs
Catalog ID: 29443
National Capital Region
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Large scale aerial photography – plans and problems.
Catalog ID: 35667
Northern Forestry Centre
The use of aircraft in forest inventories in Canada.
Catalog ID: 35666
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Tree measurements on large-scale, vertical, 70 mm. air photographs
Kippen, F.W.; Sayn-Wittgenstein, L.
Catalog ID: 24588
Phenological aids to species identification on air photographs
Catalog ID: 24534
Recognition of tree species on air photographs by crown characteristics
Catalog ID: 24538
An evaluation of the relascope
Kendall, R.H.; Sayn-Wittgenstein, L.
Catalog ID: 31347