# Grass Lake

Grass Lake is a lake in [Hillsdale County](https://ontology.bommaritollc.com/id/01a0ca47-5c41-7728-b7f8-b3afdc858403), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (1.0 ha), in the [East Branch Saint Joseph River (HUC10 0410000301)](https://ontology.bommaritollc.com/id/01a0de92-1f0a-7093-b001-cde4718ba812) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-b634-713c-b8ca-6aad558fe482>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Hillsdale County](https://ontology.bommaritollc.com/id/01a0ca47-5c41-7728-b7f8-b3afdc858403)

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

Location: 41.80584, -84.59286 (box -84.59407, 41.80525, -84.59183, 41.80642; west, south, east, north)

- `adms:identifier`: [gnis 627175](https://ontology.bommaritollc.com/id/01a0ddfe-b635-70ed-8667-f69abedac2ad)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Grass Lake](https://ontology.bommaritollc.com/id/01a0de2c-cab6-7669-a178-0b08b338c44c)
- `geo:hasGeometry`:
  - [point of Grass Lake](https://ontology.bommaritollc.com/id/01a0ddfe-ead4-76c0-91fb-e0551c489265)
  - [shape of Grass Lake](https://ontology.bommaritollc.com/id/01a0de2c-cab6-7669-a178-0b08b338c44c)
- `geo:hasMetricArea`: 10322.3 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [East Branch Saint Joseph River (HUC10 0410000301)](https://ontology.bommaritollc.com/id/01a0de92-1f0a-7093-b001-cde4718ba812)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-b634-713c-b8ca-6aac14a9865e)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-4dcf-7586-b206-61bab03d0033)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-18ff-7709-a75d-9c7d7af7bdd3)
- `schema:containedInPlace`:
  - [Hillsdale County](https://ontology.bommaritollc.com/id/01a0ca47-5c41-7728-b7f8-b3afdc858403)
  - [Ransom Township](https://ontology.bommaritollc.com/id/01a0ca47-7952-75a3-8b14-31a187782cbe)
  - [Woodbridge Township](https://ontology.bommaritollc.com/id/01a0ca47-7db8-7049-8cda-0d362dc1bbfd)
- `skos:prefLabel`: Grass Lake

## Elsewhere

- [Wikidata Q33257047](https://www.wikidata.org/wiki/Q33257047) (proposed match (exactMatch))
- [USGS GNIS 627175](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/627175) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=41.80584&mlon=-84.59286#map=14/41.80584/-84.59286) (41.80584, -84.59286)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=41.80584,-84.59286)
- [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/Q33257047 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-74a7-778c-804a-1baa5940397f)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-b634-713c-b8ca-6aad558fe482.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-b634-713c-b8ca-6aad558fe482.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-b634-713c-b8ca-6aad558fe482.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-b634-713c-b8ca-6aad558fe482)
Cite as: Grass Lake. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-b634-713c-b8ca-6aad558fe482
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.