# Baldwins Lake

Baldwins Lake is a lake in [Porter Township](https://ontology.bommaritollc.com/id/01a0ca47-78ff-7657-84c4-b16833abea64), [Cass County](https://ontology.bommaritollc.com/id/01a0ca47-5a46-7564-a1ca-981ba967c897), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (1.1 km²), in the [Mill Creek-Saint Joseph River (HUC10 0405000113)](https://ontology.bommaritollc.com/id/01a0de92-1d26-758e-8855-6bb736f20a10) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-aa2f-76f0-a41c-9448e16e7ffe>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Cass County](https://ontology.bommaritollc.com/id/01a0ca47-5a46-7564-a1ca-981ba967c897) › [Porter Township](https://ontology.bommaritollc.com/id/01a0ca47-78ff-7657-84c4-b16833abea64)

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

Location: 41.77782, -85.82962 (box -85.83815, 41.76761, -85.82117, 41.79254; west, south, east, north)

- `adms:identifier`: [gnis 620518](https://ontology.bommaritollc.com/id/01a0ddfe-aa2f-76f0-a41c-94521a82d06c)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Baldwins Lake](https://ontology.bommaritollc.com/id/01a0de2c-c3cd-753d-bf30-e9566da2fa49)
- `geo:hasGeometry`:
  - [point of Baldwins Lake](https://ontology.bommaritollc.com/id/01a0ddfe-e1ee-758a-a2b3-d3a1ea837dea)
  - [shape of Baldwins Lake](https://ontology.bommaritollc.com/id/01a0de2c-c3cd-753d-bf30-e9566da2fa49)
- `geo:hasMetricArea`: 1062270.6 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Mill Creek-Saint Joseph River (HUC10 0405000113)](https://ontology.bommaritollc.com/id/01a0de92-1d26-758e-8855-6bb736f20a10)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-aa2f-76f0-a41c-944779073c5d)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-44b7-71d8-befc-1acc9f6de1b6)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-169f-745d-a1a8-73ae56aa9f60)
- `schema:containedInPlace`:
  - [Cass County](https://ontology.bommaritollc.com/id/01a0ca47-5a46-7564-a1ca-981ba967c897)
  - [Porter Township](https://ontology.bommaritollc.com/id/01a0ca47-78ff-7657-84c4-b16833abea64)
- `skos:altLabel`: Baldwin Lake
- `skos:prefLabel`: Baldwins Lake

## Elsewhere

- [Wikidata Q88270275](https://www.wikidata.org/wiki/Q88270275) (proposed match (exactMatch))
- [USGS GNIS 620518](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/620518) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=41.77782&mlon=-85.82962#map=14/41.77782/-85.82962) (41.77782, -85.82962)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=41.77782,-85.82962)
- [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/Q88270275 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-735b-775d-8c0a-0a0a6978867b)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-aa2f-76f0-a41c-9448e16e7ffe.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-aa2f-76f0-a41c-9448e16e7ffe.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-aa2f-76f0-a41c-9448e16e7ffe.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-aa2f-76f0-a41c-9448e16e7ffe)
Cite as: Baldwins Lake. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-aa2f-76f0-a41c-9448e16e7ffe
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.