10km 
¿ x \\^v 
Xx x\\^ xx \ 
^MÉmDÀx^vx^v: 
: p£#^\\ \M21 s \ ^ 
•M2 ?; 
Mx\<[ 
,\ M22, 
■'Arroyo de’ 
ian.S.ervârr] 
:r v ^\\ NX J 
Lx\ \ v \\ \ y 
^ M21 X J 
\M1Î'\\\ 
x<XM12\3V\V 
Conventional signs: 
x \\\\ x x ^ 
Î Xx ^> 
Major river 
Old river course 
Soil boundary 
Possible soil boundary 
Town 
- 210 - 
Fig.4 Physiographic Soil Map of the Merida Region based on ERTS-1 
imagery interpretation using an enlarged simulated false color 
composite of bands 4,5 and 6; with field check. ITC, Enschede, 1974.