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Identification of tree species on large-scale panchromatic and color aerial photographs / by R.C. Heller, G.E. Doverspike, and R.C. Aldrich.

Author(s):
Heller, Robert Chester, 1918 , Doverspike, G. E. , Aldrich, Robert Clement, 1922
Subject(s):
Aerial photography in forestry. , Photographic interpretation. , Trees -- Minnesota -- Ely -- Identification.
Format:
17 p.
Language:
English
Publisher:
U.S. Dept. of Agriculture, Forest Service
Series:
USDA agriculture handbooks
Part Of:
USDA agriculture handbooks
File:
Download [PDF]   
Rights:
This item is authored by federal employees as part of their official duties and are therefore non-copyrightable and/or published by the federal government and now in the public domain.