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56,681 columns in the coverage ledger · read from /api/field-coverage on citytap-prod · source last observed Oct 12, 2026, 5:18 AM
3,026 datasets, 56,681 catalogued fields, 0 of them still unread. Every band below is a share of that, worst first. Open one to see its datasets.
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← What we have understood · Dataset page
Every field decided — Every field carries a verdict — which does not mean every field is understood.
Covered and uncovered alike, in the order the publisher lists them. A field with no verdict is one nobody has looked at yet.
| Field | Type | What we know | Meaning | How it was decided | Shared term |
|---|---|---|---|---|---|
| location LOCATION | Text | Checked, no match | — | dictionary_readtypically the cross streets | — |
| maintby MaintBy | Text | Not enough to tell | — | value_domain_read | — |
| bin BIN | Number | Understood | place.bin Building Identification Number | operator_cohort matched by name, unread | bin |
| public_restroom Public Restroom | Checkbox | Checked, no match | — | dictionary_readWhether | — |
| gispropnum GISPROPNUM | Text | Checked, no match | — | value_domain_readUnique identification number for each park property, identified by borough/county (B = Brooklyn; M = Manhattan; Q = Queens; R = Richmond (Staten Island); X = Bronx), and followed by a number | — |
| system SYSTEM | Text | Checked, no match | — | value_domain_readsmallest=B001-BASKETBALL-1 largest=X354-SOFTBALL-1 top[8 of 20]={B313-BASKETBALL-1×1; X030-01-TRACK-1×1; Q014-HANDBALL-5×1; M066-HANDBALL-2×1; B057-ZN01-TENNIS-13×1; M047-BASEBALL-1×1; B082-ZN02-BASEBALL-1×1; X172-BASKETBALL-7×1} | — |
| omppropid OMPPROPID | Text | Checked, no match | — | dictionary_readUnique identification number for a property or portion of a property. In some cases – a standalone, smaller park for example – this number will be equivalent to the GIS Property Number. In other cases | — |
| bbl BBL | Text | Checked, no match | — | value_domain_read | — |
| recreation_center Recreation_Center | Checkbox | Checked, no match | — | dictionary_readWhether | — |
| doitt_source DOITT_Source | Text | Checked, no match | — | value_domain_readAn indicator of whether the DOITT_ID is present in the historic or current DOITT Buildings feature class. | — |
| alteration_year Alteration_Year | Number | Checked, no match | — | dictionary_readThe year the building was last altered. | — |
| construction_year Construction_Year | Number | Checked, no match | — | dictionary_readThe year the building was last altered. | — |
| description DESCRIPTION | Text | Checked, no match | — | dictionary_readThe name of the property the Athletic Facility is within | — |
| ground_elevation Ground_Elevation | Number | Checked, no match | — | dictionary_readLowest Elevation at the building ground level. Calculated from LiDAR or photogrammetrically. | — |
| maintbyspec MaintBySpec | Text | Not enough to tell | — | value_domain_read | — |
| featurestatus FeatureStatus | Text | Understood | category.status Workflow status | value_profileStatus of a structure | — |
| height_roof Height_Roof | Number | Checked, no match | — | dictionary_readLowest Elevation at the building ground level. Calculated from LiDAR or photogrammetrically. | — |
| parks_district Parks_District | Text | Checked, no match | — | dictionary_readThe Parks maintenance district with which the asset is maintained. Not geographically based. | — |
| doitt_id DOITT_ID | Number | Checked, no match | — | value_domain_readsmallest=2993 largest=1302751 top[8 of 20]={1197832×2; 1107938×2; 1238848×2; 402160×1; 149194×1; 514125×1; 488189×1; 373366×1} | — |
| multipolygon | MultiPolygon | Understood | geometry.area Areal geometry | dictionary_readThe WKB representation of the geometry | — |
| demolition_year Demolition_Year | Number | Checked, no match | — | dictionary_readThe year the building was last altered. | — |
| borough BOROUGH | Text | Checked, no match | — | value_domain_read | — |