# Grass Lake

Grass Lake is a lake in [Marion Township](https://ontology.bommaritollc.com/id/01a0ca47-69cf-77f3-a58e-bb722b9718aa), [Livingston County](https://ontology.bommaritollc.com/id/01a0ca47-5dbe-77e8-a023-5ae31fec89b3), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (6.0 ha), in the [Headwaters Red Cedar River (HUC10 0405000404)](https://ontology.bommaritollc.com/id/01a0de92-1d6a-7523-8f6e-d72259006ecd) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-b638-7675-afb4-7b40a41e1ced>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Livingston County](https://ontology.bommaritollc.com/id/01a0ca47-5dbe-77e8-a023-5ae31fec89b3) › [Marion Township](https://ontology.bommaritollc.com/id/01a0ca47-69cf-77f3-a58e-bb722b9718aa)

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

Location: 42.53670, -83.96959 (box -83.97121, 42.53522, -83.96722, 42.53808; west, south, east, north)

- `adms:identifier`: [gnis 627181](https://ontology.bommaritollc.com/id/01a0ddfe-b639-71f3-a8ba-8b509ba294a6)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Grass Lake](https://ontology.bommaritollc.com/id/01a0de2c-cab9-75ae-9438-9d065f617946)
- `geo:hasGeometry`:
  - [point of Grass Lake](https://ontology.bommaritollc.com/id/01a0ddfe-ead7-7548-b7cc-fe557e215621)
  - [shape of Grass Lake](https://ontology.bommaritollc.com/id/01a0de2c-cab9-75ae-9438-9d065f617946)
- `geo:hasMetricArea`: 60291.2 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Headwaters Red Cedar River (HUC10 0405000404)](https://ontology.bommaritollc.com/id/01a0de92-1d6a-7523-8f6e-d72259006ecd)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-b638-7675-afb4-7b3ff129f915)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-4dd2-74c7-9838-8301b9b97532)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-16f6-72a2-992d-caa5a3ead10d)
- `schema:containedInPlace`:
  - [Livingston County](https://ontology.bommaritollc.com/id/01a0ca47-5dbe-77e8-a023-5ae31fec89b3)
  - [Marion Township](https://ontology.bommaritollc.com/id/01a0ca47-69cf-77f3-a58e-bb722b9718aa)
- `skos:prefLabel`: Grass Lake

## Elsewhere

- [Wikidata Q33257078](https://www.wikidata.org/wiki/Q33257078) (proposed match (exactMatch))
- [USGS GNIS 627181](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/627181) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.53670&mlon=-83.96959#map=14/42.53670/-83.96959) (42.53670, -83.96959)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.53670,-83.96959)
- [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/Q33257078 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-74a7-778c-804a-1bb61d0bfeed)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-b638-7675-afb4-7b40a41e1ced.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-b638-7675-afb4-7b40a41e1ced.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-b638-7675-afb4-7b40a41e1ced.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-b638-7675-afb4-7b40a41e1ced)
Cite as: Grass Lake. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-b638-7675-afb4-7b40a41e1ced
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.