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144500- 
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SCHNEE-FLAECHEN-ANTEILE 
REGION GREVASALVAS/ENGADIN 
DATENAUFNAHME AB LUFTBILD 
LAD NR. 5239 / 30.03.72 
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.... 
(Si 
KLASSE l: 
KLASSE 2: 
KLASSE 3: 
KLASSE 4: 
KLASSE 5: 
100-98 
9 7-66 
65-34 
33- 3 
2 - 0 
SCHNEE 
SCHNEE 
SCHNEE 
SCHNEE 
SCHNEE 
**** GRENZE OES AUFNAHMEGEBIETES 
KEINE DATEN ERFASSBAR 
MASSSTAB: 
500 METER 
LENGGENHAGER GREVASALVAS 
DIPLOMARBEIT _ _ 
GEOGR. INSTITUT UNIVERSITAET ZUERICH 
- FEBRUAR 1974 
Computer map of snowcover on March 30th, 
Legend: (from top to bottom) 
class 1: 100 - 98 % snowcovered 
class 2: 97 - 66 $ snowcovered 
class 3: 65 - 34 $ snowcovered 
class 4: 33 - 3 % snowcovered 
class 5s 2 - 0 snowcovered 
boundary of information system 
no data available 
one symbol equals 2*500 square meters 
(interpretation by Peter LENGGENHAGER) 
1972; GREVASALVAS test site.