# Upper Twin Lake

Upper Twin Lake is a lake in [Colfax Township](https://ontology.bommaritollc.com/id/01a0ca47-6d93-7501-b812-a5c4264f9b83), [Benzie County](https://ontology.bommaritollc.com/id/01a0ca47-5b91-73f6-8c27-4d87b28e50fb), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (7.7 ha), in the [Betsie River (HUC10 0406010403)](https://ontology.bommaritollc.com/id/01a0de92-1df3-705f-aeec-39235194b0c4) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-cd76-704d-ac5c-bfd2f29d8081>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Benzie County](https://ontology.bommaritollc.com/id/01a0ca47-5b91-73f6-8c27-4d87b28e50fb) › [Colfax Township](https://ontology.bommaritollc.com/id/01a0ca47-6d93-7501-b812-a5c4264f9b83)

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

Location: 44.57145, -85.82156 (box -85.82486, 44.57030, -85.81872, 44.57290; west, south, east, north)

- `adms:identifier`: [gnis 1615418](https://ontology.bommaritollc.com/id/01a0ddfe-cd77-7798-8ca7-33a15f1fc142)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Upper Twin Lake](https://ontology.bommaritollc.com/id/01a0de2c-d84c-7745-904b-69e06cb2cab3)
- `geo:hasGeometry`:
  - [point of Upper Twin Lake](https://ontology.bommaritollc.com/id/01a0ddff-08c3-748a-ac9f-a135c8625a71)
  - [shape of Upper Twin Lake](https://ontology.bommaritollc.com/id/01a0de2c-d84c-7745-904b-69e06cb2cab3)
- `geo:hasMetricArea`: 77446.9 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Betsie River (HUC10 0406010403)](https://ontology.bommaritollc.com/id/01a0de92-1df3-705f-aeec-39235194b0c4)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-cd76-704d-ac5c-bfd153cc2b9f)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-5f8b-7437-82be-c59406218790)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-17a2-736b-b28f-d1a46f8ad3d9)
- `schema:containedInPlace`:
  - [Benzie County](https://ontology.bommaritollc.com/id/01a0ca47-5b91-73f6-8c27-4d87b28e50fb)
  - [Colfax Township](https://ontology.bommaritollc.com/id/01a0ca47-6d93-7501-b812-a5c4264f9b83)
- `skos:prefLabel`: Upper Twin Lake

## Elsewhere

- [Wikidata Q33318950](https://www.wikidata.org/wiki/Q33318950) (proposed match (exactMatch))
- [USGS GNIS 1615418](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/1615418) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=44.57145&mlon=-85.82156#map=14/44.57145/-85.82156) (44.57145, -85.82156)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=44.57145,-85.82156)
- [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/Q33318950 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-77f3-769e-87b5-a1f9fb867dd9)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-cd76-704d-ac5c-bfd2f29d8081.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-cd76-704d-ac5c-bfd2f29d8081.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-cd76-704d-ac5c-bfd2f29d8081.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-cd76-704d-ac5c-bfd2f29d8081)
Cite as: Upper Twin Lake. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-cd76-704d-ac5c-bfd2f29d8081
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.