# Twin Lake

Twin Lake is a lake in [Jefferson Township](https://ontology.bommaritollc.com/id/01a0ca47-75e0-7496-b6cc-57952e55c82c), [Hillsdale County](https://ontology.bommaritollc.com/id/01a0ca47-5c41-7728-b7f8-b3afdc858403), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (2.6 ha), in the [East Branch Saint Joseph River (HUC10 0410000301)](https://ontology.bommaritollc.com/id/01a0de92-1f0a-7093-b001-cde4718ba812) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-cd35-723d-9c7a-b10292953cf2>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Hillsdale County](https://ontology.bommaritollc.com/id/01a0ca47-5c41-7728-b7f8-b3afdc858403) › [Jefferson Township](https://ontology.bommaritollc.com/id/01a0ca47-75e0-7496-b6cc-57952e55c82c)

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

Location: 41.88919, -84.55172 (box -84.55317, 41.88855, -84.55017, 41.88988; west, south, east, north)

- `adms:identifier`: [gnis 1615237](https://ontology.bommaritollc.com/id/01a0ddfe-cd35-723d-9c7a-b10b1cdbc460)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Twin Lake](https://ontology.bommaritollc.com/id/01a0de2c-d7c8-735c-8227-a3f29dca4e5c)
- `geo:hasGeometry`:
  - [point of Twin Lake](https://ontology.bommaritollc.com/id/01a0ddff-089c-77e9-a847-789e44ecabfb)
  - [shape of Twin Lake](https://ontology.bommaritollc.com/id/01a0de2c-d7c8-735c-8227-a3f29dca4e5c)
- `geo:hasMetricArea`: 25884.6 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [East Branch Saint Joseph River (HUC10 0410000301)](https://ontology.bommaritollc.com/id/01a0de92-1f0a-7093-b001-cde4718ba812)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-cd34-705b-b61f-76011c9c9be0)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-5f53-7174-ac98-cfbf801ecd11)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-18ff-7709-a75d-9c7d7af7bdd3)
- `schema:containedInPlace`:
  - [Hillsdale County](https://ontology.bommaritollc.com/id/01a0ca47-5c41-7728-b7f8-b3afdc858403)
  - [Jefferson Township](https://ontology.bommaritollc.com/id/01a0ca47-75e0-7496-b6cc-57952e55c82c)
- `skos:prefLabel`: Twin Lake

## Elsewhere

- [Wikidata Q88277430](https://www.wikidata.org/wiki/Q88277430) (proposed match (exactMatch))
- [USGS GNIS 1615237](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/1615237) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=41.88919&mlon=-84.55172#map=14/41.88919/-84.55172) (41.88919, -84.55172)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=41.88919,-84.55172)
- [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/Q88277430 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-77ef-7789-9e75-5118d9bb98ab)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-cd35-723d-9c7a-b10292953cf2.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-cd35-723d-9c7a-b10292953cf2.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-cd35-723d-9c7a-b10292953cf2.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-cd35-723d-9c7a-b10292953cf2)
Cite as: Twin Lake. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-cd35-723d-9c7a-b10292953cf2
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.