# Twin Lake

Twin Lake is a lake in [Curtis Township](https://ontology.bommaritollc.com/id/01a0ca47-60f5-7082-b8b4-610b87be8c65), [Alcona County](https://ontology.bommaritollc.com/id/01a0ca47-59b8-7700-8c5c-af7c3d92657c), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (2.2 ha), in the [Pine River (HUC10 0407000706)](https://ontology.bommaritollc.com/id/01a0de92-1e4b-752a-93fa-16be1734a3bf) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-cd37-76f3-98b0-1bf24637a44f>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Alcona County](https://ontology.bommaritollc.com/id/01a0ca47-59b8-7700-8c5c-af7c3d92657c) › [Curtis Township](https://ontology.bommaritollc.com/id/01a0ca47-60f5-7082-b8b4-610b87be8c65)

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

Location: 44.56072, -83.74549 (box -83.74647, 44.55984, -83.74437, 44.56151; west, south, east, north)

- `adms:identifier`: [gnis 1615242](https://ontology.bommaritollc.com/id/01a0ddfe-cd38-73dd-9871-9580849692e0)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Twin Lake](https://ontology.bommaritollc.com/id/01a0de2c-d7cb-7180-bcf5-ddc44d16eeb5)
- `geo:hasGeometry`:
  - [point of Twin Lake](https://ontology.bommaritollc.com/id/01a0ddff-089e-70dc-9dec-f4b5787c7d90)
  - [shape of Twin Lake](https://ontology.bommaritollc.com/id/01a0de2c-d7cb-7180-bcf5-ddc44d16eeb5)
- `geo:hasMetricArea`: 22258.9 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Pine River (HUC10 0407000706)](https://ontology.bommaritollc.com/id/01a0de92-1e4b-752a-93fa-16be1734a3bf)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-cd37-76f3-98b0-1bf15f5c277e)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-5f57-7368-b369-03ea36dffcc6)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-180c-74d7-bc55-00367a175d59)
- `schema:containedInPlace`:
  - [Alcona County](https://ontology.bommaritollc.com/id/01a0ca47-59b8-7700-8c5c-af7c3d92657c)
  - [Curtis Township](https://ontology.bommaritollc.com/id/01a0ca47-60f5-7082-b8b4-610b87be8c65)
- `skos:prefLabel`: Twin Lake

## Elsewhere

- [Wikidata Q88277443](https://www.wikidata.org/wiki/Q88277443) (proposed match (exactMatch))
- [USGS GNIS 1615242](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/1615242) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=44.56072&mlon=-83.74549#map=14/44.56072/-83.74549) (44.56072, -83.74549)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=44.56072,-83.74549)
- [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/Q88277443 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-77ef-7789-9e75-512241d36483)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-cd37-76f3-98b0-1bf24637a44f.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-cd37-76f3-98b0-1bf24637a44f.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-cd37-76f3-98b0-1bf24637a44f.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-cd37-76f3-98b0-1bf24637a44f)
Cite as: Twin Lake. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-cd37-76f3-98b0-1bf24637a44f
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.