# Twin Lakes

Twin Lakes is a lake in [Danby Township](https://ontology.bommaritollc.com/id/01a0ca47-6dde-74c0-aaa3-295a36a530e0), [Ionia County](https://ontology.bommaritollc.com/id/01a0ca47-5954-7486-8da7-cf139a6f86f8), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (1.2 ha), in the [Sebewa Creek-Grand River (HUC10 0405000407)](https://ontology.bommaritollc.com/id/01a0de92-1d71-7010-85c0-519ac996d1da) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-cd40-7084-9a92-00aaec2eda3a>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Ionia County](https://ontology.bommaritollc.com/id/01a0ca47-5954-7486-8da7-cf139a6f86f8) › [Danby Township](https://ontology.bommaritollc.com/id/01a0ca47-6dde-74c0-aaa3-295a36a530e0)

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

Location: 42.77240, -84.93022 (box -84.93129, 42.77191, -84.92911, 42.77280; west, south, east, north)

- `adms:identifier`: [gnis 1615256](https://ontology.bommaritollc.com/id/01a0ddfe-cd41-7629-adf0-83c7f0795ba4)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Twin Lakes](https://ontology.bommaritollc.com/id/01a0de2c-d7d0-7652-8baf-78aff07183a6)
- `geo:hasGeometry`:
  - [point of Twin Lakes](https://ontology.bommaritollc.com/id/01a0ddff-08a3-77c4-b90c-5f835c79198e)
  - [shape of Twin Lakes](https://ontology.bommaritollc.com/id/01a0de2c-d7d0-7652-8baf-78aff07183a6)
- `geo:hasMetricArea`: 12377.2 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Sebewa Creek-Grand River (HUC10 0405000407)](https://ontology.bommaritollc.com/id/01a0de92-1d71-7010-85c0-519ac996d1da)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-cd40-7084-9a92-00a9e7095803)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-5f5d-7129-ba4e-3f0d63ded2d3)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-16ff-713f-a45f-9a5f0496e8d2)
- `schema:containedInPlace`:
  - [Ionia County](https://ontology.bommaritollc.com/id/01a0ca47-5954-7486-8da7-cf139a6f86f8)
  - [Danby Township](https://ontology.bommaritollc.com/id/01a0ca47-6dde-74c0-aaa3-295a36a530e0)
- `skos:prefLabel`: Twin Lakes

## Elsewhere

- [Wikidata Q88277589](https://www.wikidata.org/wiki/Q88277589) (proposed match (exactMatch))
- [USGS GNIS 1615256](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/1615256) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.77240&mlon=-84.93022#map=14/42.77240/-84.93022) (42.77240, -84.93022)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.77240,-84.93022)
- [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/Q88277589 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-77f0-76aa-bf83-e3be41fad30d)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-cd40-7084-9a92-00aaec2eda3a.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-cd40-7084-9a92-00aaec2eda3a.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-cd40-7084-9a92-00aaec2eda3a.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-cd40-7084-9a92-00aaec2eda3a)
Cite as: Twin Lakes. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-cd40-7084-9a92-00aaec2eda3a
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.