Sayn-Wittgenstein, L.
Recognition of tree species on aerial photographs / by L. Sayn-Wittgenstein. - Ottawa : Forest Management Institute, Canadian Forestry Service, Dept. of Environment, 1978. - iii, 97 p. : ill. - Information report ; FMR-X-118 . - Information report (Forest Management Institute (Canada)) ; FMR-X-118 .
Aerial photography in forestry--Canada.
Aerial photography in botany--Canada.
Trees--Identification.--Canada
Recognition of tree species on aerial photographs / by L. Sayn-Wittgenstein. - Ottawa : Forest Management Institute, Canadian Forestry Service, Dept. of Environment, 1978. - iii, 97 p. : ill. - Information report ; FMR-X-118 . - Information report (Forest Management Institute (Canada)) ; FMR-X-118 .
Aerial photography in forestry--Canada.
Aerial photography in botany--Canada.
Trees--Identification.--Canada