Chris Whong's Hess Triangle. ref http://chriswhong.com/open-data/in-search-of-hess-triangle-part-1/

hess.geojson

{
"type": "FeatureCollection",
"crs": { "type": "name", "properties": { "name": "urn:ogc:def:crs:OGC:1.3:CRS84" } },
                                                                                
"features": [
{ "type": "Feature", "properties": { "Borough": "MN", "Block": 591, "Lot": 55, "CD": 102, "CT2010": "73", "CB2010": "4003", "SchoolDist": "02", "Council": 3, "ZipCode": 10014, "FireComp": "E024", "PolicePrct": 6, "Address": "Hess' Triangle", "ZoneDist1": "C4-5", "ZoneDist2": null, "ZoneDist3": null, "ZoneDist4": null, "Overlay1": null, "Overlay2": null, "SPDist1": null, "SPDist2": null, "LtdHeight": null, "AllZoning1": "C4-5", "AllZoning2": null, "SplitZone": "N", "BldgClass": "K1", "LandUse": "05", "Easements": 0, "OwnerType": null, "OwnerName": "David M Hess", "LotArea": 0, "BldgArea": 0, "ComArea": 0, "ResArea": 0, "OfficeArea": 0, "RetailArea": 0, "GarageArea": 0, "StrgeArea": 0, "FactryArea": 0, "OtherArea": 0, "AreaSource": "7", "NumBldgs": 0, "NumFloors": 0.000000, "UnitsRes": 0, "UnitsTotal": 0, "LotFront": null, "LotDepth": null, "BldgFront": null, "BldgDepth": null, "Ext": null, "ProxCode": "2", "IrrLotCode": "Y", "LotType": "3", "BsmtCode": "1", "AssessLand": null, "AssessTot": null, "ExemptLand": 0.000000, "ExemptTot": 0.000000, "YearBuilt": null, "BuiltCode": null, "YearAlter1": 0, "YearAlter2": 0, "HistDist": "Greenwich Village", "Landmark": null, "BuiltFAR": 0.990000, "ResidFAR": 3.440000, "CommFAR": 3.400000, "FacilFAR": 6.500000, "BoroCode": 1, "BBL": 1005910055.000000, "CondoNo": 0, "Tract2010": "0073", "XCoord": 983389, "YCoord": 206501, "ZoneMap": "12a", "ZMCode": null, "Sanborn": "103 004", "TaxMap": "10208", "EDesigNum": null, "APPBBL": 0.000000, "APPDate": null, "PLUTOMapID": "1", "Version": "13v1", "MAPPLUTO_F": 0, "SHAPE_Leng": 12.386118, "SHAPE_Area": 7.293259 }, "geometry": { "type": "Polygon", "coordinates": [ [ [ -74.003057838923539, 40.73350884433021 ], [ -74.003065493252151, 40.733518059855882 ], [ -74.0030515959116, 40.73352020123491 ], [ -74.003057838923539, 40.73350884433021 ] ] ] } }
]
}