On Fri, Aug 30, 2013 at 3:12 PM, John F. Eldredge <j...@jfeldredge.com>wrote:
> You may want to double-check with the Post Office, to find out whether > there is the possibility that there may legitimately be outliers in some > cases. I don't think the US Post Office guarantees that zip codes will > always define a single polygon with no outliers. In this case, outliers are cause to investigate. If there is an outlier, then a quick check of the address against the Post Office's database will determine if the import has errors. If the outlier is legitimate then no problem. I don't expect to find many. The data looked go before importing. But more importantly, I want to make sure it was imported correctly. -- Clifford OpenStreetMap: Maps with a human touch
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