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1 Jan 1982 Jahr - Tomlinson estimates that there were over 1000 different GIS systems in use across the US.
Beschreibung:
(Coppock and Rhind, 1991)
Zugefügt zum Band der Zeit:
22 Sep 2017
0
0
846
GIS_TIMELINE
GEOS 406
Datum:
1 Jan 1982 Jahr
Jetzt
~ 42 years ago
