# Grewes Lakes

Grewes Lakes is a lake in [Union Charter Township](https://ontology.bommaritollc.com/id/01a0ca47-7b52-7617-9878-688dafc36f1f), [Isabella County](https://ontology.bommaritollc.com/id/01a0ca47-594f-76a5-9e3b-ed3ac28dca08), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (16.7 ha), in the [Chippewa River (HUC10 0408020205)](https://ontology.bommaritollc.com/id/01a0de92-1e96-7435-92a5-fefc7d4f63b1) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-b6d8-77d9-9410-8ebf819130b6>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Isabella County](https://ontology.bommaritollc.com/id/01a0ca47-594f-76a5-9e3b-ed3ac28dca08) › [Union Charter Township](https://ontology.bommaritollc.com/id/01a0ca47-7b52-7617-9878-688dafc36f1f)

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

Location: 43.61698, -84.73432 (box -84.73765, 43.61546, -84.73087, 43.61849; west, south, east, north)

- `adms:identifier`: [gnis 627418](https://ontology.bommaritollc.com/id/01a0ddfe-b6d8-77d9-9410-8ec8c4505f91)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Grewes Lakes](https://ontology.bommaritollc.com/id/01a0de2c-cae6-71da-ad31-3135738652ea)
- `geo:hasGeometry`:
  - [point of Grewes Lakes](https://ontology.bommaritollc.com/id/01a0ddfe-ed23-7355-ac58-9b0c1ded4b4e)
  - [shape of Grewes Lakes](https://ontology.bommaritollc.com/id/01a0de2c-cae6-71da-ad31-3135738652ea)
- `geo:hasMetricArea`: 167275.8 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Chippewa River (HUC10 0408020205)](https://ontology.bommaritollc.com/id/01a0de92-1e96-7435-92a5-fefc7d4f63b1)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-b6d8-77d9-9410-8ebec52b0427)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-4e0c-75aa-8568-79244f327289)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-186a-72c0-9a70-a7b384a3c976)
- `schema:containedInPlace`:
  - [Isabella County](https://ontology.bommaritollc.com/id/01a0ca47-594f-76a5-9e3b-ed3ac28dca08)
  - [Union Charter Township](https://ontology.bommaritollc.com/id/01a0ca47-7b52-7617-9878-688dafc36f1f)
- `skos:prefLabel`: Grewes Lakes

## Elsewhere

- [Wikidata Q33257980](https://www.wikidata.org/wiki/Q33257980) (proposed match (exactMatch))
- [USGS GNIS 627418](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/627418) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=43.61698&mlon=-84.73432#map=14/43.61698/-84.73432) (43.61698, -84.73432)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=43.61698,-84.73432)
- [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/Q33257980 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-74ae-7319-a37c-10e940604fd3)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-b6d8-77d9-9410-8ebf819130b6.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-b6d8-77d9-9410-8ebf819130b6.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-b6d8-77d9-9410-8ebf819130b6.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-b6d8-77d9-9410-8ebf819130b6)
Cite as: Grewes Lakes. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-b6d8-77d9-9410-8ebf819130b6
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.