# shape of Union

shape of Union is a boundary representation.

IRI: <https://ontology.bommaritollc.com/id/01a0d1a3-6ca1-72d4-8566-aab7f8ec318c>

Type: [geo:Geometry](http://www.opengis.net/ont/geosparql#Geometry), [boundary representation](https://ontology.bommaritollc.com/vocab/geo/BoundaryRepresentation)

Location: 41.99433, -72.16706 (box -72.23490, 41.95758, -72.09923, 42.03107; west, south, east, north)

- `adms:identifier`: [census-tiger-feature 2025/0600000US0915077830](https://ontology.bommaritollc.com/id/01a0d1a3-6ca2-7683-96d2-9023c931e22d)
- `dcterms:date`: 2025-01-01 (xsd:date)
- `dcterms:source`: [Census TIGER/Line 2025: county subdivisions, state 09](https://ontology.bommaritollc.com/id/01a0d1a3-27a1-73e8-b2d9-ca3ea4f3d892)
- `geo:asWKT`: <http://www.opengis.net/def/crs/OGC/1.3/CRS83> POLYGON ((-72.234898 41.957583, -72.223905 41.957852, -72.19552 41.959356, -72.099229 41.958948, -72.10217 42.028869, -72.143151 42.030522, -72.205081 42.031069, -72.214894 42.000095, -72.229822 41.967563, -72.234786 41.957802, -72.234898 41.957583)) (geo:wktLiteral)
- `geo:hasMetricArea`: 77234438 (xsd:double)
- `prov:wasDerivedFrom`: [evidence from https://www2.census.gov/geo/tiger/TIGER2025/COUSUB/tl\_2025\_09\_cousub.zip](https://ontology.bommaritollc.com/id/01a0d1a3-6ca1-72d4-8566-aab6c81a6c9a)
- **simplification tolerance** (`bcgeo:simplificationTolerance`): 25 (xsd:double)

## Elsewhere

- [OpenStreetMap](https://www.openstreetmap.org/?mlat=41.99433&mlon=-72.16706#map=14/41.99433/-72.16706) (41.99433, -72.16706)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=41.99433,-72.16706)
- [Source](https://www2.census.gov/geo/tiger/TIGER2025/COUSUB/tl_2025_09_cousub.zip) (www2.census.gov)

## Pointing here

- Default geometry of (1; `geo:hasDefaultGeometry`):
  - [Union](https://ontology.bommaritollc.com/id/01a0ca47-a8f8-72f1-a4e5-a23ebc9bd168)
- Geometry of (1; `geo:hasGeometry`):
  - [Union](https://ontology.bommaritollc.com/id/01a0ca47-a8f8-72f1-a4e5-a23ebc9bd168)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0d1a3-6ca1-72d4-8566-aab7f8ec318c.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0d1a3-6ca1-72d4-8566-aab7f8ec318c.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0d1a3-6ca1-72d4-8566-aab7f8ec318c.nt), [HTML](https://ontology.bommaritollc.com/id/01a0d1a3-6ca1-72d4-8566-aab7f8ec318c)
Cite as: shape of Union. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0d1a3-6ca1-72d4-8566-aab7f8ec318c
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.