# Blue Gill Island

Blue Gill Island is an island in [Lobdell Lake](https://ontology.bommaritollc.com/id/01a0ddfe-bd04-7507-9c28-dd2ed36ee378), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa), in the [South Branch Shiawassee River-Shiawassee River (HUC10 0408020301)](https://ontology.bommaritollc.com/id/01a0de92-1e9b-72b9-88e5-a6a070d6c707) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-ac9b-7021-9afe-9f61e5c52993>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Lobdell Lake](https://ontology.bommaritollc.com/id/01a0ddfe-bd04-7507-9c28-dd2ed36ee378)

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

Location: 42.78336, -83.82551 (box -83.82551, 42.78336, -83.82551, 42.78336; west, south, east, north)

- `adms:identifier`: [gnis 621625](https://ontology.bommaritollc.com/id/01a0ddfe-ac9c-7085-8655-0520a7513745)
- `dcterms:type`: [island](https://ontology.bommaritollc.com/vocab/geo/gnisIsland)
- `geo:hasDefaultGeometry`: [point of Blue Gill Island](https://ontology.bommaritollc.com/id/01a0ddfe-e311-771c-9cc6-58daaaedf39f)
- `geo:hasGeometry`: [point of Blue Gill Island](https://ontology.bommaritollc.com/id/01a0ddfe-e311-771c-9cc6-58daaaedf39f)
- **in watershed** (`bcgeo:inWatershed`): [South Branch Shiawassee River-Shiawassee River (HUC10 0408020301)](https://ontology.bommaritollc.com/id/01a0de92-1e9b-72b9-88e5-a6a070d6c707)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-ac9b-7021-9afe-9f608a4578b2)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-4663-7490-af31-e79f11166e4c)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de86-db25-7472-abb9-c7ff3939d68b)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-1870-7001-b4ea-f2736f104e46)
- `schema:containedInPlace`:
  - [Genesee County](https://ontology.bommaritollc.com/id/01a0ca47-5d2e-7158-b23f-ecc65bfa094f)
  - [Argentine Township](https://ontology.bommaritollc.com/id/01a0ca47-6b64-705c-8105-4b8dbdf612dc)
  - [Lobdell Lake](https://ontology.bommaritollc.com/id/01a0ddfe-bd04-7507-9c28-dd2ed36ee378)
- `skos:prefLabel`: Blue Gill Island

## Elsewhere

- [Wikidata Q49633583](https://www.wikidata.org/wiki/Q49633583) (proposed match (exactMatch))
- [USGS GNIS 621625](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/621625) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.78336&mlon=-83.82551#map=14/42.78336/-83.82551) (42.78336, -83.82551)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.78336,-83.82551)
- [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/Q49633583 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-738b-7719-b1b6-bb0023ebd6e8)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-ac9b-7021-9afe-9f61e5c52993.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-ac9b-7021-9afe-9f61e5c52993.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-ac9b-7021-9afe-9f61e5c52993.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-ac9b-7021-9afe-9f61e5c52993)
Cite as: Blue Gill Island. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-ac9b-7021-9afe-9f61e5c52993
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.