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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, 2:19 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 |
|---|---|---|---|---|---|
| the_geom | MultiPolygon | Not enough to tell | — | datatype_projection matched by name, unread | — |
| boro_code BoroCode | Text | Understood | place.borough Borough | value_domain_read | borough |
| shape_leng Shape_Leng | Number | Checked, no match | — | value_domain_readcard=4342 nonnull=4343 null=0 smallest=9.48984812251 largest=715.372329587 top[8 of 20]={2 | — |
| bctcb2000 BCTCB2000 | Text | Checked, no match | — | value_domain_readtop[8 of 20]={30403001002×1; 10313009054×1; 30275004000×1; 20218004000×1; 20077001001×1; 50176001024×1; 30320001031×1; 30402002007×1} | — |
| cb2000 CB2000 | Text | Checked, no match | — | value_domain_readtop[8 of 20]={1000×2181; 1001×2138; 1002×1820; 2000×1765; 2001×1723; 1003×1540; 2002×1362; 1004×1232} | — |
| shape_area Shape_Area | Number | Checked, no match | — | value_domain_readcard=13 nonnull=13 null=0 smallest=62335246.5951 largest=3174462400.81 top[8 of | — |
| boro_name BoroName | Text | Understood | place.borough Borough | value_domain_read | borough |
| ct2000 CT2000 | Text | Checked, no match | — | value_domain_read | — |