CHATHAM ISLANDS: Imported
MAINLAND: Imported

OSM Page: http://wiki.openstreetmap.org/wiki/Tag:amenity%3Dgrave_yard

Since this is for smaller grave sites this is what we should use.
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HB: pity that it overlaps with the cemetery_pnt layer, for which
grave_yard is more appropriate.
some good talk about tagging individual graves here:
http://wiki.openstreetmap.org/wiki/Talk:Tag:landuse%3Dcemetery
added historic=grave
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Chathams imported by HB 16Apr2010
HB: mainland UPLOADED 2010-11-25 in changeset 6452386