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1 jan 1982 ano - Tomlinson estimates that there were over 1000 different GIS systems in use across the US.

Descrição:

(Coppock and Rhind, 1991)

Adicionado na linha do tempo:

GIS_TIMELINE

22 set 2017

0

0

1059

Data:

1 jan 1982 ano

Agora

~ 43 years ago

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