# Roberts Lake

Roberts Lake is a lake in [Koehler Township](https://ontology.bommaritollc.com/id/01a0ca47-6fce-727f-bc8b-7d76c11f449f), [Cheboygan County](https://ontology.bommaritollc.com/id/01a0ca47-5c75-71dd-80e1-1d0bc1a7a85d), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (27.6 ha), in the [Cheboygan River (HUC10 0407000404)](https://ontology.bommaritollc.com/id/01a0de92-1e21-7286-b2c0-98ebc5200814) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-c66a-7328-8ef1-afe9f29d534c>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Cheboygan County](https://ontology.bommaritollc.com/id/01a0ca47-5c75-71dd-80e1-1d0bc1a7a85d) › [Koehler Township](https://ontology.bommaritollc.com/id/01a0ca47-6fce-727f-bc8b-7d76c11f449f)

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

Location: 45.39799, -84.55656 (box -84.55873, 45.39211, -84.55346, 45.40266; west, south, east, north)

- `adms:identifier`: [gnis 636041](https://ontology.bommaritollc.com/id/01a0ddfe-c66b-7173-9f01-8763cadab754)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Roberts Lake](https://ontology.bommaritollc.com/id/01a0de2c-d3f8-74f1-aac6-d678a2994876)
- `geo:hasGeometry`:
  - [point of Roberts Lake](https://ontology.bommaritollc.com/id/01a0ddff-0060-7428-b67e-89d19915bee3)
  - [shape of Roberts Lake](https://ontology.bommaritollc.com/id/01a0de2c-d3f8-74f1-aac6-d678a2994876)
- `geo:hasMetricArea`: 276095.1 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Cheboygan River (HUC10 0407000404)](https://ontology.bommaritollc.com/id/01a0de92-1e21-7286-b2c0-98ebc5200814)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-c66a-7328-8ef1-afe8c61827a5)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-59d7-73c9-ac39-fa17d51ac205)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-17d5-734c-a682-3370a14684d8)
- `schema:containedInPlace`:
  - [Cheboygan County](https://ontology.bommaritollc.com/id/01a0ca47-5c75-71dd-80e1-1d0bc1a7a85d)
  - [Koehler Township](https://ontology.bommaritollc.com/id/01a0ca47-6fce-727f-bc8b-7d76c11f449f)
- `skos:altLabel`:
  - South Twin Lake
  - Twin Lakes
- `skos:prefLabel`: Roberts Lake

## Elsewhere

- [Wikidata Q33302839](https://www.wikidata.org/wiki/Q33302839) (proposed match (exactMatch))
- [USGS GNIS 636041](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/636041) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=45.39799&mlon=-84.55656#map=14/45.39799/-84.55656) (45.39799, -84.55656)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=45.39799,-84.55656)
- [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/Q33302839 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-76f2-735d-9601-9e515c8fc38a)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-c66a-7328-8ef1-afe9f29d534c.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-c66a-7328-8ef1-afe9f29d534c.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-c66a-7328-8ef1-afe9f29d534c.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-c66a-7328-8ef1-afe9f29d534c)
Cite as: Roberts Lake. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-c66a-7328-8ef1-afe9f29d534c
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.