Identification of tree species on large-scale panchromatic and color aerial photographs
Subtitle: by R.C. Heller, G.E. Doverspike, and R.C. Aldrich.
Contributors: Doverspike, G. E.; Aldrich, Robert Clement, 1922-
Series: Agriculture handbook / United States Department of Agriculture ;; no. 261; Agriculture handbook (United States. Dept. of Agriculture) ;; no. 261.
Publisher: U.S. Dept. of Agriculture, Forest Service
Published: 1964
Place of publication: Washington, D.C
Language: eng
Number of pages: 17
Subjects: Aerial photography in forestry.; Photographic interpretation.; Trees -- Minnesota -- Ely -- Identification.
Notes: Bibliography: p. 15.