# Grass Lake

Grass Lake is a lake in [Grass Lake Charter Township](https://ontology.bommaritollc.com/id/01a0ca47-70bd-7229-83e4-e48d07f17271), [Jackson County](https://ontology.bommaritollc.com/id/01a0ca47-5d2e-7158-b23f-ecd175f58db5), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (1.4 km²), in the [Headwaters Grand River (HUC10 0405000401)](https://ontology.bommaritollc.com/id/01a0de92-1d62-735a-b562-311334647fab) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-b636-7310-8a3b-ec7ad0c66135>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Jackson County](https://ontology.bommaritollc.com/id/01a0ca47-5d2e-7158-b23f-ecd175f58db5) › [Grass Lake Charter Township](https://ontology.bommaritollc.com/id/01a0ca47-70bd-7229-83e4-e48d07f17271)

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

Location: 42.26091, -84.21656 (box -84.22361, 42.25271, -84.20861, 42.27038; west, south, east, north)

- `adms:identifier`: [gnis 627177](https://ontology.bommaritollc.com/id/01a0ddfe-b636-7310-8a3b-ec829150db5b)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Grass Lake](https://ontology.bommaritollc.com/id/01a0de2c-cab7-7767-84a8-d013c24a4531)
- `geo:hasGeometry`:
  - [point of Grass Lake](https://ontology.bommaritollc.com/id/01a0ddfe-ead5-744d-98eb-041f2daed1ca)
  - [shape of Grass Lake](https://ontology.bommaritollc.com/id/01a0de2c-cab7-7767-84a8-d013c24a4531)
- `geo:hasMetricArea`: 1429020.9 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Headwaters Grand River (HUC10 0405000401)](https://ontology.bommaritollc.com/id/01a0de92-1d62-735a-b562-311334647fab)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-b636-7310-8a3b-ec793670e181)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-4dd0-74fa-b61f-14f6824fcda2)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-16e9-75d3-9f0a-8154e7542c01)
- `schema:containedInPlace`:
  - [Jackson County](https://ontology.bommaritollc.com/id/01a0ca47-5d2e-7158-b23f-ecd175f58db5)
  - [Grass Lake Charter Township](https://ontology.bommaritollc.com/id/01a0ca47-70bd-7229-83e4-e48d07f17271)
- `skos:prefLabel`: Grass Lake

## Elsewhere

- [Wikidata Q33257056](https://www.wikidata.org/wiki/Q33257056) (proposed match (exactMatch))
- [USGS GNIS 627177](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/627177) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.26091&mlon=-84.21656#map=14/42.26091/-84.21656) (42.26091, -84.21656)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.26091,-84.21656)
- [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/Q33257056 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-74a7-778c-804a-1bae3d542097)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-b636-7310-8a3b-ec7ad0c66135.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-b636-7310-8a3b-ec7ad0c66135.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-b636-7310-8a3b-ec7ad0c66135.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-b636-7310-8a3b-ec7ad0c66135)
Cite as: Grass Lake. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-b636-7310-8a3b-ec7ad0c66135
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.