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This Ugly Map Got a Lot of Attention Today - Chris Whong
Aug 6, 2015 · ST_Collect () combines the polygons for the 5 boroughs into one MultiPolygon, and then ST_SymDifference () returns the areas of the rectangle and the collected boroughs that …
Liberating Data from NYC Property Tax Bills - Chris Whong
May 15, 2016 · This is, in theory, the amount the city could collect if there were no exemptions and abatements. I’d love to see what this number would be if real market values were taken …