A useful debugging process would be to cross-check using a GIS package...

Yes - thanks, that is probably the next step. I was planning to check the data against a USRN finder but your suggestion is perhaps better.

I'm not sure this will help with the envelope so I might need to press on and decode some of the geometry data before I can property sanity check it.

In reply to Re^10: Geo Package files by Bod
in thread Geo Package files by Bod

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