# Grass Lake

Grass Lake is a lake in [Montmorency Township](https://ontology.bommaritollc.com/id/01a0ca47-778e-741f-8ae3-2a01a823db70), [Montmorency County](https://ontology.bommaritollc.com/id/01a0ca47-5db8-742e-a771-aecc7c03f888), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (2.5 km²), in the [North Branch Thunder Bay River (HUC10 0407000604)](https://ontology.bommaritollc.com/id/01a0de92-1e35-7670-8c59-8a617c4607d1) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-b694-74e5-b4ab-07d7f657b84f>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Montmorency County](https://ontology.bommaritollc.com/id/01a0ca47-5db8-742e-a771-aecc7c03f888) › [Montmorency Township](https://ontology.bommaritollc.com/id/01a0ca47-778e-741f-8ae3-2a01a823db70)

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

Location: 45.12729, -84.02636 (box -84.04313, 45.11876, -84.00515, 45.13391; west, south, east, north)

- `adms:identifier`: [gnis 627215](https://ontology.bommaritollc.com/id/01a0ddfe-b694-74e5-b4ab-07df4171e85d)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Grass Lake](https://ontology.bommaritollc.com/id/01a0de2c-cac4-72aa-ad25-a6aea8e9e100)
- `geo:hasGeometry`:
  - [point of Grass Lake](https://ontology.bommaritollc.com/id/01a0ddfe-eae2-731e-9002-dbfeb8110495)
  - [shape of Grass Lake](https://ontology.bommaritollc.com/id/01a0de2c-cac4-72aa-ad25-a6aea8e9e100)
- `geo:hasMetricArea`: 2488267.0 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [North Branch Thunder Bay River (HUC10 0407000604)](https://ontology.bommaritollc.com/id/01a0de92-1e35-7670-8c59-8a617c4607d1)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-b694-74e5-b4ab-07d650ee70b2)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-4de0-76c6-bff4-2b527e7deaad)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-17f1-76b7-9dde-f37ce3710e1c)
- `schema:containedInPlace`:
  - [Montmorency County](https://ontology.bommaritollc.com/id/01a0ca47-5db8-742e-a771-aecc7c03f888)
  - [Montmorency Township](https://ontology.bommaritollc.com/id/01a0ca47-778e-741f-8ae3-2a01a823db70)
- `skos:prefLabel`: Grass Lake

## Elsewhere

- [Wikidata Q33257110](https://www.wikidata.org/wiki/Q33257110) (proposed match (exactMatch))
- [USGS GNIS 627215](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/627215) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=45.12729&mlon=-84.02636#map=14/45.12729/-84.02636) (45.12729, -84.02636)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=45.12729,-84.02636)
- [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/Q33257110 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-74a9-761a-87f3-8b264dcec479)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-b694-74e5-b4ab-07d7f657b84f.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-b694-74e5-b4ab-07d7f657b84f.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-b694-74e5-b4ab-07d7f657b84f.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-b694-74e5-b4ab-07d7f657b84f)
Cite as: Grass Lake. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-b694-74e5-b4ab-07d7f657b84f
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.