# Case Island

Case Island is an island in [Lake Fenton](https://ontology.bommaritollc.com/id/01a0ddfe-b454-7069-90ea-0286e83c15c9), [Genesee County](https://ontology.bommaritollc.com/id/01a0ca47-5d2e-7158-b23f-ecc65bfa094f), [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-aecb-7532-9f48-3d417a7e3f67>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Genesee County](https://ontology.bommaritollc.com/id/01a0ca47-5d2e-7158-b23f-ecc65bfa094f) › [Lake Fenton](https://ontology.bommaritollc.com/id/01a0ddfe-b454-7069-90ea-0286e83c15c9)

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

Location: 42.84169, -83.71912 (box -83.71912, 42.84169, -83.71912, 42.84169; west, south, east, north)

- `adms:identifier`: [gnis 622833](https://ontology.bommaritollc.com/id/01a0ddfe-aecc-74a6-981a-5d33dd86e109)
- `dcterms:type`: [island](https://ontology.bommaritollc.com/vocab/geo/gnisIsland)
- `geo:hasDefaultGeometry`: [point of Case Island](https://ontology.bommaritollc.com/id/01a0ddfe-e448-76ae-adac-bcdecd95bfd3)
- `geo:hasGeometry`: [point of Case Island](https://ontology.bommaritollc.com/id/01a0ddfe-e448-76ae-adac-bcdecd95bfd3)
- **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-aecb-7532-9f48-3d40e8a6e982)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-4813-711e-87a0-dfd3714c50d4)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de86-db30-7254-9f63-ca09eacaf76a)
  - [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)
  - [Fenton Township](https://ontology.bommaritollc.com/id/01a0ca47-6f56-7443-829b-807bb983614a)
  - [Lake Fenton](https://ontology.bommaritollc.com/id/01a0ddfe-b454-7069-90ea-0286e83c15c9)
- `skos:prefLabel`: Case Island

## Elsewhere

- [Wikidata Q34696186](https://www.wikidata.org/wiki/Q34696186) (proposed match (exactMatch))
- [USGS GNIS 622833](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/622833) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.84169&mlon=-83.71912#map=14/42.84169/-83.71912) (42.84169, -83.71912)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.84169,-83.71912)
- [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/Q34696186 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-73a8-71a9-8707-32fbc8111ffe)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-aecb-7532-9f48-3d417a7e3f67.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-aecb-7532-9f48-3d417a7e3f67.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-aecb-7532-9f48-3d417a7e3f67.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-aecb-7532-9f48-3d417a7e3f67)
Cite as: Case Island. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-aecb-7532-9f48-3d417a7e3f67
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.