# Big Crooked Lake

Big Crooked Lake is a lake in [Grattan Township](https://ontology.bommaritollc.com/id/01a0ca47-70c0-7321-aa20-b9c0f2c66ca9), [Kent County](https://ontology.bommaritollc.com/id/01a0ca47-5952-7651-8dce-d1376a72c2a4), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (58.7 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-abfa-7674-abd9-5efb2d7b1b97>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Kent County](https://ontology.bommaritollc.com/id/01a0ca47-5952-7651-8dce-d1376a72c2a4) › [Grattan Township](https://ontology.bommaritollc.com/id/01a0ca47-70c0-7321-aa20-b9c0f2c66ca9)

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

Location: 43.05758, -85.39391 (box -85.40012, 43.05020, -85.38558, 43.06461; west, south, east, north)

- `adms:identifier`: [gnis 621309](https://ontology.bommaritollc.com/id/01a0ddfe-abfa-7674-abd9-5f04cf346875)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Big Crooked Lake](https://ontology.bommaritollc.com/id/01a0de2c-c4c4-7161-8b37-185aafd542cc)
- `geo:hasGeometry`:
  - [point of Big Crooked Lake](https://ontology.bommaritollc.com/id/01a0ddfe-e2c2-7391-9100-93c65dc4013e)
  - [shape of Big Crooked Lake](https://ontology.bommaritollc.com/id/01a0de2c-c4c4-7161-8b37-185aafd542cc)
- `geo:hasMetricArea`: 586829.3 (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-abfa-7674-abd9-5efaebfde791)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-45f8-7605-967a-85246f6f463f)
  - [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)
- `skos:prefLabel`: Big Crooked Lake

## Elsewhere

- [Wikidata Q33231308](https://www.wikidata.org/wiki/Q33231308) (proposed match (exactMatch))
- [USGS GNIS 621309](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/621309) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=43.05758&mlon=-85.39391#map=14/43.05758/-85.39391) (43.05758, -85.39391)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=43.05758,-85.39391)
- [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/Q33231308 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-7381-732c-9b00-b7f14abd6f9e)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-abfa-7674-abd9-5efb2d7b1b97.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-abfa-7674-abd9-5efb2d7b1b97.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-abfa-7674-abd9-5efb2d7b1b97.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-abfa-7674-abd9-5efb2d7b1b97)
Cite as: Big Crooked Lake. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-abfa-7674-abd9-5efb2d7b1b97
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.