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jan 1, 1987 - This is the most recent date for the Aperture Image Format. (Portal ARG)

Description:

- 1987
- This is the most recent date for the Aperture Image Format. At that time, it is maintained by Doug Rattmann.

Added to timeline:

Half-Life and Portal Universe Timeline

ByThe Fancy Fedora

25 Dec 2018

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8490

Date:

jan 1, 1987

Now

~ 38 years ago

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