Identification of tree species on large-scale panchromatic and color aerial photographs / by R.C. Heller, G.E. Doverspike, and R.C. Aldrich.
Heller, Robert Chester, 1918-
Identification of tree species on large-scale panchromatic and color aerial photographs / by R.C. Heller, G.E. Doverspike, and R.C. Aldrich. - Washington, D.C. : U.S. Dept. of Agriculture, Forest Service, 1964. - 17 p. : illus. 27 cm. - Agriculture handbook / United States Department of Agriculture ; no. 261 . - Agriculture handbook (United States. Department of Agriculture) ; no. 261. .
Bibliography: p. 15.
agr64000381
Aerial photography in forestry.
Photographic interpretation.
Trees--Identification.--Minnesota--Ely
SD387.A25 / H4
1 / Ag84Ah no.261
Identification of tree species on large-scale panchromatic and color aerial photographs / by R.C. Heller, G.E. Doverspike, and R.C. Aldrich. - Washington, D.C. : U.S. Dept. of Agriculture, Forest Service, 1964. - 17 p. : illus. 27 cm. - Agriculture handbook / United States Department of Agriculture ; no. 261 . - Agriculture handbook (United States. Department of Agriculture) ; no. 261. .
Bibliography: p. 15.
agr64000381
Aerial photography in forestry.
Photographic interpretation.
Trees--Identification.--Minnesota--Ely
SD387.A25 / H4
1 / Ag84Ah no.261