# Cowan Lake

Cowan Lake is a lake in [Kent County](https://ontology.bommaritollc.com/id/01a0ca47-5952-7651-8dce-d1376a72c2a4), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (27.7 ha), in the [Flat River (HUC10 0405000602)](https://ontology.bommaritollc.com/id/01a0de92-1d87-7672-b8bb-dc3da2297c6b) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-b0c1-745d-b0cb-943a47850124>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Kent County](https://ontology.bommaritollc.com/id/01a0ca47-5952-7651-8dce-d1376a72c2a4)

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

Location: 43.11604, -85.42325 (box -85.42830, 43.11281, -85.41865, 43.11947; west, south, east, north)

- `adms:identifier`: [gnis 623926](https://ontology.bommaritollc.com/id/01a0ddfe-b0c1-745d-b0cb-9443d4f69fe1)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Cowan Lake](https://ontology.bommaritollc.com/id/01a0de2c-c775-76c0-9e1c-50643794474b)
- `geo:hasGeometry`:
  - [point of Cowan Lake](https://ontology.bommaritollc.com/id/01a0ddfe-e54a-7338-897f-442009a33f91)
  - [shape of Cowan Lake](https://ontology.bommaritollc.com/id/01a0de2c-c775-76c0-9e1c-50643794474b)
- `geo:hasMetricArea`: 277342.4 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Flat River (HUC10 0405000602)](https://ontology.bommaritollc.com/id/01a0de92-1d87-7672-b8bb-dc3da2297c6b)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-b0c1-745d-b0cb-9439d38d0b4c)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-4971-72c7-8c00-02f738b7d903)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-171d-771a-beb0-e9401cde0f93)
- `schema:containedInPlace`:
  - [Kent County](https://ontology.bommaritollc.com/id/01a0ca47-5952-7651-8dce-d1376a72c2a4)
  - [Grattan Township](https://ontology.bommaritollc.com/id/01a0ca47-70c0-7321-aa20-b9c0f2c66ca9)
  - [Oakfield Township](https://ontology.bommaritollc.com/id/01a0ca47-7820-774f-95e6-152d59e98c0d)
- `skos:prefLabel`: Cowan Lake

## Elsewhere

- [Wikidata Q33241487](https://www.wikidata.org/wiki/Q33241487) (proposed match (exactMatch))
- [USGS GNIS 623926](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/623926) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=43.11604&mlon=-85.42325#map=14/43.11604/-85.42325) (43.11604, -85.42325)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=43.11604,-85.42325)
- [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/Q33241487 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-73c2-71cf-b96d-3600149ef28d)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-b0c1-745d-b0cb-943a47850124.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-b0c1-745d-b0cb-943a47850124.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-b0c1-745d-b0cb-943a47850124.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-b0c1-745d-b0cb-943a47850124)
Cite as: Cowan Lake. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-b0c1-745d-b0cb-943a47850124
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.