# Saint Helena Island

Saint Helena Island is an island in [Lake Michigan](https://ontology.bommaritollc.com/id/01a0ddfe-da8b-736c-b10c-b5ac4195f147), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa), in the [Lake Michigan (HUC10 0419000002)](https://ontology.bommaritollc.com/id/01a0de92-1f2c-768f-8a9b-4fde379fd131) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-d7c9-751d-9f55-1125c29d1109>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Lake Michigan](https://ontology.bommaritollc.com/id/01a0ddfe-da8b-736c-b10c-b5ac4195f147)

Type: [geo:Feature](http://www.opengis.net/ont/geosparql#Feature), [schema:Landform](https://schema.org/Landform), [schema:Place](https://schema.org/Place)

Location: 45.86140, -84.87283 (box -84.87283, 45.86140, -84.87283, 45.86140; west, south, east, north)

- `adms:identifier`: [gnis 1621475](https://ontology.bommaritollc.com/id/01a0ddfe-d7ca-715d-9a48-c8ba395324c7)
- `dcterms:type`: [island](https://ontology.bommaritollc.com/vocab/geo/gnisIsland)
- `geo:hasDefaultGeometry`: [point of Saint Helena Island](https://ontology.bommaritollc.com/id/01a0ddff-15cc-7483-bc55-26a5c6714f1d)
- `geo:hasGeometry`: [point of Saint Helena Island](https://ontology.bommaritollc.com/id/01a0ddff-15cc-7483-bc55-26a5c6714f1d)
- **in watershed** (`bcgeo:inWatershed`): [Lake Michigan (HUC10 0419000002)](https://ontology.bommaritollc.com/id/01a0de92-1f2c-768f-8a9b-4fde379fd131)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-d7c9-751d-9f55-112434398fe8)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-6756-76f0-8ab5-85bcd65fafcc)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de86-dca1-74e4-81a7-9370657785d4)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-1951-7385-bfba-4bbf6ff8b7ca)
- `schema:containedInPlace`:
  - [Mackinac County](https://ontology.bommaritollc.com/id/01a0ca47-5c59-72ef-9b47-f808d9d32f80)
  - [Moran Township](https://ontology.bommaritollc.com/id/01a0ca47-6fd2-7467-8d82-be7460b1f708)
  - [Lake Michigan](https://ontology.bommaritollc.com/id/01a0ddfe-da8b-736c-b10c-b5ac4195f147)
- `skos:altLabel`: Saint Helens Island
- `skos:prefLabel`: Saint Helena Island

## Elsewhere

- [Wikidata Q16900509](https://www.wikidata.org/wiki/Q16900509) (proposed match (exactMatch))
- [USGS GNIS 1621475](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/1621475) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=45.86140&mlon=-84.87283#map=14/45.86140/-84.87283) (45.86140, -84.87283)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=45.86140,-84.87283)
- [Source](https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames_MI_Text.zip) (prd-tnm.s3.amazonaws.com)
- [Source](https://3dhp.nationalmap.gov/arcgis/rest/services/usgs_3dhp_all/FeatureServer) (3dhp.nationalmap.gov)
- [Source](https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer) (hydro.nationalmap.gov)

## Pointing here

- Mappings (1; `owl:annotatedSource`):
  - [exactMatch http://www.wikidata.org/entity/Q16900509 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-791e-718d-a736-2ce80dcbaf44)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-d7c9-751d-9f55-1125c29d1109.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-d7c9-751d-9f55-1125c29d1109.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-d7c9-751d-9f55-1125c29d1109.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-d7c9-751d-9f55-1125c29d1109)
Cite as: Saint Helena Island. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-d7c9-751d-9f55-1125c29d1109
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.