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DAT EN AUFNAHME A0 LUFTBILD 
flaechen-düminanz-prINZIP 
LAO NR. 5429 / 07.07.72 
1445C0- 
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//// 
mmmm 
FELSEN 
SCHNEE 
GEWAESSER 
SIEDLUNGEN 
STEINBRUCH 
TCRFGEEIETE 
UNPRODUKTIV 
SCFL I THALCEN 
VERKEHRSWEGE 
WALD (UNBEWEIDET) 
WALD (BEWEIDET) 
GEBUESCH, STRAEUCHER 
WEIDEN (UNGENUTZT! 
(GENUTZT) 
(UNBEWEIOETI 
IBEWEIDET) 
**** GRENZE DES AUF NÄHRE GE B IE11S 
MASSSTAB : 
SCO METER 
141600- 
0/PLUMARBL I T L FNUGE NHAGE R GRLVASALVAS 
Gl OCR.« INSTITUT LN I VE R SI TAFT ZÜRICH 
APRIL 1974 
Example of computer map of land-use on July 7th, 1972; GREVASALVAS test site. 
Legend: (from top left to bottom right) 
rocks 
snow 
lake of SiIs 
hamlets 
quarry 
peat-bog 
sparse vegetation (non-used) 
rock-debris 
roads, parking 
forest (non-grazed) 
forest (grazed) 
shrubs, bushes 
pasture (non-used) 
pasture (used) 
meadows 
meadows (temporarely grazed) 
boundary of information system 
one symbol equals 2’500 square 
meters 
(interpretation by Peter LENGGENHAGER)