116 
FIGURE S. Black-and-white reproduction of colour mosaic assembled mainly from 
MSS composite 9 (combination of bands 5 3 6 and 7) images obtained 
from October to April . 
geographic units sustaining characteristic communities of tree species. 
The same procedure was followed by a third interpreter using the 
cloud-free portion of a NQAA-2 (National Oceanic and Atmospheric 
Administration) satellite image, at a scale of approximately 1:10,000,000, 
obtained in March, 1973 (Fig. 4). 
No attempt was made to describe the forest types delineated. The 
prints available did not provide sufficient information for reliable 
descriptions. 
recog 
consis