Looks like Google may control the traffic? Thank you for sharing your experience!
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-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Matt Vivier
Sent: Wednesday, April 03, 2013 11:11 PM
To: statalist@hsphsun2.harvard.edu
Subject: Re: st: Geocode failed
Sui Zhang,
I wish I could offer a solution, but I don't have one for you. I do have a similar experience however, and wanted to point something out.
The error code you get, "610", isn't for being over the limit, it has to do with having a bad API key.
(https://developers.google.com/maps/documentation/geocoding/v2/#StatusCodes)
