# Allen Island

Allen Island is an island in [Grand Lake](https://ontology.bommaritollc.com/id/01a0ddfe-b61a-73bf-a989-ff69d1213357), [Presque Isle County](https://ontology.bommaritollc.com/id/01a0ca47-5db9-75f0-a5ba-b8b8e4da260f), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa), in the [Swan River-Frontal Lake Huron (HUC10 0407000303)](https://ontology.bommaritollc.com/id/01a0de92-1e10-76bc-95e5-e1cab09a3323) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-a90c-702b-a149-5a5cda3c602a>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Presque Isle County](https://ontology.bommaritollc.com/id/01a0ca47-5db9-75f0-a5ba-b8b8e4da260f) › [Grand Lake](https://ontology.bommaritollc.com/id/01a0ddfe-b61a-73bf-a989-ff69d1213357)

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

Location: 45.32251, -83.54748 (box -83.54748, 45.32251, -83.54748, 45.32251; west, south, east, north)

- `adms:identifier`: [gnis 619974](https://ontology.bommaritollc.com/id/01a0ddfe-a90d-7291-9a04-582559c2b023)
- `dcterms:type`: [island](https://ontology.bommaritollc.com/vocab/geo/gnisIsland)
- `geo:hasDefaultGeometry`: [point of Allen Island](https://ontology.bommaritollc.com/id/01a0ddfe-e191-74ac-9ee6-fa7abb278935)
- `geo:hasGeometry`: [point of Allen Island](https://ontology.bommaritollc.com/id/01a0ddfe-e191-74ac-9ee6-fa7abb278935)
- **in watershed** (`bcgeo:inWatershed`): [Swan River-Frontal Lake Huron (HUC10 0407000303)](https://ontology.bommaritollc.com/id/01a0de92-1e10-76bc-95e5-e1cab09a3323)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-a90c-702b-a149-5a5bfe8238b9)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-4438-7198-b00e-14a2ca91ead2)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de86-db12-7784-bd18-ef5c1c6cbabe)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-17c8-74ed-ac7e-8e6fd5384292)
- `schema:containedInPlace`:
  - [Presque Isle County](https://ontology.bommaritollc.com/id/01a0ca47-5db9-75f0-a5ba-b8b8e4da260f)
  - [Krakow Township](https://ontology.bommaritollc.com/id/01a0ca47-6872-74ff-818f-9493dd3903bd)
  - [Grand Lake](https://ontology.bommaritollc.com/id/01a0ddfe-b61a-73bf-a989-ff69d1213357)
- `skos:prefLabel`: Allen Island

## Elsewhere

- [Wikidata Q34641148](https://www.wikidata.org/wiki/Q34641148) (proposed match (exactMatch))
- [USGS GNIS 619974](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/619974) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=45.32251&mlon=-83.54748#map=14/45.32251/-83.54748) (45.32251, -83.54748)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=45.32251,-83.54748)
- [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/Q34641148 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-734d-729a-846e-6c66d166be86)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-a90c-702b-a149-5a5cda3c602a.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-a90c-702b-a149-5a5cda3c602a.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-a90c-702b-a149-5a5cda3c602a.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-a90c-702b-a149-5a5cda3c602a)
Cite as: Allen Island. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-a90c-702b-a149-5a5cda3c602a
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.