# Grace Island

Grace Island is an island in [Lake Superior](https://ontology.bommaritollc.com/id/01a0ddfe-d154-7649-b19b-081f619c450a), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa), in the [Nodaway Point-Frontal Lake Superior (HUC10 0418000001)](https://ontology.bommaritollc.com/id/01a0de92-1f26-72d2-95cf-36dfd969113e) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-b612-7441-a633-cbddc77722d9>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Lake Superior](https://ontology.bommaritollc.com/id/01a0ddfe-d154-7649-b19b-081f619c450a)

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

Location: 47.88128, -89.21953 (box -89.21953, 47.88128, -89.21953, 47.88128; west, south, east, north)

- `adms:identifier`: [gnis 627058](https://ontology.bommaritollc.com/id/01a0ddfe-b612-7441-a633-cbe8d46d43f3)
- `dcterms:type`: [island](https://ontology.bommaritollc.com/vocab/geo/gnisIsland)
- `geo:hasDefaultGeometry`: [point of Grace Island](https://ontology.bommaritollc.com/id/01a0ddfe-eac1-7562-8fbb-22718078db4f)
- `geo:hasGeometry`: [point of Grace Island](https://ontology.bommaritollc.com/id/01a0ddfe-eac1-7562-8fbb-22718078db4f)
- **in watershed** (`bcgeo:inWatershed`): [Nodaway Point-Frontal Lake Superior (HUC10 0418000001)](https://ontology.bommaritollc.com/id/01a0de92-1f26-72d2-95cf-36dfd969113e)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-b612-7441-a633-cbdc8ca04054)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-4db7-712b-98c3-87a7ad8f9317)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de86-db5d-766d-a623-f20abe65b220)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-1923-71fb-aada-d53e5a05907d)
- `schema:containedInPlace`:
  - [Keweenaw County](https://ontology.bommaritollc.com/id/01a0ca47-5d2f-7501-b2ba-1fe0d1e4fc6a)
  - [Eagle Harbor Township](https://ontology.bommaritollc.com/id/01a0ca47-6e5a-71b6-9848-23ba888081e4)
  - [Lake Superior](https://ontology.bommaritollc.com/id/01a0ddfe-d154-7649-b19b-081f619c450a)
- `skos:altLabel`: Double Island
- `skos:prefLabel`: Grace Island

## Elsewhere

- [Wikidata Q34765971](https://www.wikidata.org/wiki/Q34765971) (proposed match (exactMatch))
- [USGS GNIS 627058](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/627058) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=47.88128&mlon=-89.21953#map=14/47.88128/-89.21953) (47.88128, -89.21953)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=47.88128,-89.21953)
- [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/Q34765971 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-74a5-74a1-b7d1-df51601bcf48)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-b612-7441-a633-cbddc77722d9.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-b612-7441-a633-cbddc77722d9.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-b612-7441-a633-cbddc77722d9.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-b612-7441-a633-cbddc77722d9)
Cite as: Grace Island. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-b612-7441-a633-cbddc77722d9
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.