lb Physiological: on color photographs, a change in the spectral reflectance 
pattern which is usually noted by a change in color of the foliage, or 
a measurable density variation in false-color photographs ....... 13 
13a Type III Damage: the foliage is another color when it is 
compared to normal foliage, on normal-color or false-color 
  
aerial photographs taken during summer ........ ............... 14 
14a Normal-color aerial photograph .......... 220000 u0cea0c00u00 15 
15a Current foliage yellowing or yellowish .......... ....... 16 
16a Conifer ve…no+ 000000000000 2000000000 ces. 000000000004 17 
17a Pew branches affected, ,............... Damage Type IIIA 
17b All or nearly all branches affected 
....... ...0............................ Damage Type IIIB 
16b Hardwood .......... eene Pet caet eot es .48 
18a Few branches affected..........« eve Damage Type IIIC 
18b All or nearly all branches affected 
PN N 0 Damage Type IIID 
15b Some or all foliage red-brown, brown or turning 
brown ....- rotta "puit paper! 0000000000 02000000 0 19 
19a Conifer with red-brown foliage ............  ......... 20 
20a Current foliage red-brown .....  ........... ee... 21 
21a All or nearly all of crown affected ........... 22 
22a Red-brown foliage associated with topographical 
pattern .......0.02052020.0020 000 Damage Type IIIE 
22b Older foliage dark-green, red-brown or 
absent .......«* e0..002200002.022 22022202000 23 
23a Older foliage dark-green or red-brown.... 24 
24a Dark-green old foliage 
 #02.0 0000004000000 00000002 Damage Type IIIF 
24b Red-brown old foliage 
000.040 000200000000 020 000 Damage Type IIIG 
23b Older foliage absent 
«sth en e. .e............Damage Type ILIH 
21b Only a few or scattered branches with current 
foliage red-brown, or damage concentrated toward 
crown top «eese etn s.% 0.000000 02000000000 25 
25a Terminal leader or upper crown red-brown 
re+v+ewos cc 000000000000 0000000008 Damage Type IIII 
25b Lateral branches affected 
2000100000 0000000000 00000 0000004 Damage Type IIIJ