Centennial
ACL1978
![Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 884 W: 75 N: 1695]](http://i1.trekearth.com/misc/g-g-g.gif){kind=small}
(7511)
cebe 2012-09-12 9:09
Hello Andrew,
I might be wrong but I think the geoid datum NAVD88 used in North America is referenced to a point in Quebec, Canada. In fact, the tide gauge that provided the water level time series for the zero reference was located in the small town where I grew up. So far from over there!
Nice link between your 100th post and the centennial state!
Claude
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09-13-2012, 01:11 AM
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To cebe: Geographic data
Claude, thanks so much for the comments and the really informative comment - I had no idea that was the case! Certainly a great deal more precise now than it has been in the past. Thanks for stopping by!
Andrew 
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