# Baldwin Lake

Baldwin Lake is a lake in [Holly Township](https://ontology.bommaritollc.com/id/01a0ca47-726e-70e4-b728-5db3f262314f), [Oakland County](https://ontology.bommaritollc.com/id/01a0ca47-5d60-74ef-9e31-2c21350a4460), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (5.9 ha), in the [Swartz Creek (HUC10 0408020403)](https://ontology.bommaritollc.com/id/01a0de92-1eaa-7124-a51a-9c8bae628a65) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-aa2d-72a0-97b4-c96968413ba2>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Oakland County](https://ontology.bommaritollc.com/id/01a0ca47-5d60-74ef-9e31-2c21350a4460) › [Holly Township](https://ontology.bommaritollc.com/id/01a0ca47-726e-70e4-b728-5db3f262314f)

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

Location: 42.86188, -83.62811 (box -83.62992, 42.86103, -83.62596, 42.86297; west, south, east, north)

- `adms:identifier`: [gnis 620511](https://ontology.bommaritollc.com/id/01a0ddfe-aa2d-72a0-97b4-c972a49ae7c8)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Baldwin Lake](https://ontology.bommaritollc.com/id/01a0de2c-c3cc-7613-ac5d-d9a4d0bf51eb)
- `geo:hasGeometry`:
  - [point of Baldwin Lake](https://ontology.bommaritollc.com/id/01a0ddfe-e1ed-731b-896d-6ec54df6e719)
  - [shape of Baldwin Lake](https://ontology.bommaritollc.com/id/01a0de2c-c3cc-7613-ac5d-d9a4d0bf51eb)
- `geo:hasMetricArea`: 58621.3 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Swartz Creek (HUC10 0408020403)](https://ontology.bommaritollc.com/id/01a0de92-1eaa-7124-a51a-9c8bae628a65)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-aa2c-75c4-9a29-2f8762219ffa)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-44b6-707a-9fed-643373a5bd2c)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-1880-719f-b40f-35e51e64469d)
- `schema:containedInPlace`:
  - [Oakland County](https://ontology.bommaritollc.com/id/01a0ca47-5d60-74ef-9e31-2c21350a4460)
  - [Holly Township](https://ontology.bommaritollc.com/id/01a0ca47-726e-70e4-b728-5db3f262314f)
- `skos:prefLabel`: Baldwin Lake

## Elsewhere

- [Wikidata Q33227780](https://www.wikidata.org/wiki/Q33227780) (proposed match (exactMatch))
- [USGS GNIS 620511](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/620511) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.86188&mlon=-83.62811#map=14/42.86188/-83.62811) (42.86188, -83.62811)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.86188,-83.62811)
- [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/Q33227780 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-735b-775d-8c0a-0a04b44a6ea0)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-aa2d-72a0-97b4-c96968413ba2.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-aa2d-72a0-97b4-c96968413ba2.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-aa2d-72a0-97b4-c96968413ba2.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-aa2d-72a0-97b4-c96968413ba2)
Cite as: Baldwin Lake. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-aa2d-72a0-97b4-c96968413ba2
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.