# shape of St. Helena

shape of St. Helena is a boundary representation.

IRI: <https://ontology.bommaritollc.com/id/01a0d1a9-0161-74bd-9c4b-26f9a3c81dc9>

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

Location: 42.80966, -97.24885 (box -97.25389, 42.80118, -97.24382, 42.81813; west, south, east, north)

- `adms:identifier`: [census-tiger-feature 2025/1600000US3143090](https://ontology.bommaritollc.com/id/01a0d1a9-0161-74bd-9c4b-270449a8f046)
- `dcterms:date`: 2025-01-01 (xsd:date)
- `dcterms:source`: [Census TIGER/Line 2025: places, state 31](https://ontology.bommaritollc.com/id/01a0d1a7-ff23-7443-a9b5-02e77a3bfee0)
- `geo:asWKT`: <http://www.opengis.net/def/crs/OGC/1.3/CRS83> POLYGON ((-97.25389 42.805022, -97.248859 42.804986, -97.248913 42.801189, -97.246268 42.801183, -97.246218 42.806475, -97.243819 42.806505, -97.24407 42.815777, -97.248618 42.817933, -97.253268 42.818128, -97.253785 42.8065, -97.25389 42.805022)) (geo:wktLiteral)
- `geo:hasMetricArea`: 1149994 (xsd:double)
- `prov:wasDerivedFrom`: [evidence from https://www2.census.gov/geo/tiger/TIGER2025/PLACE/tl\_2025\_31\_place.zip](https://ontology.bommaritollc.com/id/01a0d1a9-0161-74bd-9c4b-26f8948affe9)
- **simplification tolerance** (`bcgeo:simplificationTolerance`): 25 (xsd:double)

## Elsewhere

- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.80966&mlon=-97.24885#map=14/42.80966/-97.24885) (42.80966, -97.24885)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.80966,-97.24885)
- [Source](https://www2.census.gov/geo/tiger/TIGER2025/PLACE/tl_2025_31_place.zip) (www2.census.gov)

## Pointing here

- Default geometry of (1; `geo:hasDefaultGeometry`):
  - [St. Helena](https://ontology.bommaritollc.com/id/01a0ca47-acef-746d-9d6d-d9ede5b7d46a)
- Geometry of (1; `geo:hasGeometry`):
  - [St. Helena](https://ontology.bommaritollc.com/id/01a0ca47-acef-746d-9d6d-d9ede5b7d46a)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0d1a9-0161-74bd-9c4b-26f9a3c81dc9.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0d1a9-0161-74bd-9c4b-26f9a3c81dc9.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0d1a9-0161-74bd-9c4b-26f9a3c81dc9.nt), [HTML](https://ontology.bommaritollc.com/id/01a0d1a9-0161-74bd-9c4b-26f9a3c81dc9)
Cite as: shape of St. Helena. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0d1a9-0161-74bd-9c4b-26f9a3c81dc9
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.