# Pipe Island Twins

Pipe Island Twins is an island in [Lake Huron](https://ontology.bommaritollc.com/id/01a0ddfe-dba9-7007-b9a4-2e346853a6ba), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa), in the [Lake Huron (HUC10 0424000202)](https://ontology.bommaritollc.com/id/01a0de92-1f53-728b-a241-32e786ea8de4) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-c435-7242-8a27-786bf293544a>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Lake Huron](https://ontology.bommaritollc.com/id/01a0ddfe-dba9-7007-b9a4-2e346853a6ba)

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

Location: 46.02613, -83.89167 (box -83.89167, 46.02613, -83.89167, 46.02613; west, south, east, north)

- `adms:identifier`: [gnis 635038](https://ontology.bommaritollc.com/id/01a0ddfe-c435-7242-8a27-7874153cd317)
- `dcterms:type`: [island](https://ontology.bommaritollc.com/vocab/geo/gnisIsland)
- `geo:hasDefaultGeometry`: [point of Pipe Island Twins](https://ontology.bommaritollc.com/id/01a0ddfe-fdea-7113-a46f-67f834cbee53)
- `geo:hasGeometry`: [point of Pipe Island Twins](https://ontology.bommaritollc.com/id/01a0ddfe-fdea-7113-a46f-67f834cbee53)
- **in watershed** (`bcgeo:inWatershed`): [Lake Huron (HUC10 0424000202)](https://ontology.bommaritollc.com/id/01a0de92-1f53-728b-a241-32e786ea8de4)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-c435-7242-8a27-786a2ac082f0)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-58d5-702d-9a8d-417f92d47a07)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de86-dbc6-71d9-ba97-845a91593dab)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-19d2-746b-bdc2-d68f03d10216)
- `schema:containedInPlace`:
  - [Chippewa County](https://ontology.bommaritollc.com/id/01a0ca47-5c74-7657-97c2-9bfdfd3bc0fc)
  - [Drummond Township](https://ontology.bommaritollc.com/id/01a0ca47-6317-77b8-a79c-9e66cbf8a764)
  - [Lake Huron](https://ontology.bommaritollc.com/id/01a0ddfe-dba9-7007-b9a4-2e346853a6ba)
- `skos:prefLabel`: Pipe Island Twins

## Elsewhere

- [Wikidata Q49669619](https://www.wikidata.org/wiki/Q49669619) (proposed match (exactMatch))
- [USGS GNIS 635038](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/635038) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=46.02613&mlon=-83.89167#map=14/46.02613/-83.89167) (46.02613, -83.89167)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=46.02613,-83.89167)
- [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/Q49669619 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-76ce-7769-a81e-6b5d3b5eef5d)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-c435-7242-8a27-786bf293544a.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-c435-7242-8a27-786bf293544a.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-c435-7242-8a27-786bf293544a.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-c435-7242-8a27-786bf293544a)
Cite as: Pipe Island Twins. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-c435-7242-8a27-786bf293544a
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.