If it helps and/or you really want to you can get this file from HERE but you'll have to change the column numbers to pull out the right fields!

Which field or fields in the linked file constitute the "feature" field in your example?

Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.

In reply to Re: Reducing memory footprint when doing a lookup of millions of coordinates by BrowserUk
in thread Reducing memory footprint when doing a lookup of millions of coordinates by richardwfrancis

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