# Grass Lake

Grass Lake is a lake in [Mills Township](https://ontology.bommaritollc.com/id/01a0ca47-7771-74ac-bca7-24ea088e19e0), [Ogemaw County](https://ontology.bommaritollc.com/id/01a0ca47-5e35-7243-aa75-a4128ddc7622), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (5.4 ha), in the [Rifle River (HUC10 0408010104)](https://ontology.bommaritollc.com/id/01a0de92-1e5b-7038-8515-20b89e845457) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-b685-75e2-9622-ca71c9f58758>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Ogemaw County](https://ontology.bommaritollc.com/id/01a0ca47-5e35-7243-aa75-a4128ddc7622) › [Mills Township](https://ontology.bommaritollc.com/id/01a0ca47-7771-74ac-bca7-24ea088e19e0)

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

Location: 44.23669, -84.05656 (box -84.05846, 44.23548, -84.05499, 44.23850; west, south, east, north)

- `adms:identifier`: [gnis 627197](https://ontology.bommaritollc.com/id/01a0ddfe-b686-763f-a552-e0f89ba0a572)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Grass Lake](https://ontology.bommaritollc.com/id/01a0de2c-cabf-770c-9a6d-fb7e1b7c8bbf)
- `geo:hasGeometry`:
  - [point of Grass Lake](https://ontology.bommaritollc.com/id/01a0ddfe-eadc-7224-8e03-97f82a5bcca2)
  - [shape of Grass Lake](https://ontology.bommaritollc.com/id/01a0de2c-cabf-770c-9a6d-fb7e1b7c8bbf)
- `geo:hasMetricArea`: 53951.0 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Rifle River (HUC10 0408010104)](https://ontology.bommaritollc.com/id/01a0de92-1e5b-7038-8515-20b89e845457)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-b685-75e2-9622-ca70f737790b)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-4dd9-7228-b2fc-aada6d8b52e4)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-181f-7381-b0ed-503831ec3d84)
- `schema:containedInPlace`:
  - [Ogemaw County](https://ontology.bommaritollc.com/id/01a0ca47-5e35-7243-aa75-a4128ddc7622)
  - [Mills Township](https://ontology.bommaritollc.com/id/01a0ca47-7771-74ac-bca7-24ea088e19e0)
- `skos:prefLabel`: Grass Lake

## Elsewhere

- [Wikidata Q88273183](https://www.wikidata.org/wiki/Q88273183) (proposed match (exactMatch))
- [USGS GNIS 627197](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/627197) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=44.23669&mlon=-84.05656#map=14/44.23669/-84.05656) (44.23669, -84.05656)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=44.23669,-84.05656)
- [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/Q88273183 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-74a8-71e9-903d-ff938a160820)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-b685-75e2-9622-ca71c9f58758.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-b685-75e2-9622-ca71c9f58758.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-b685-75e2-9622-ca71c9f58758.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-b685-75e2-9622-ca71c9f58758)
Cite as: Grass Lake. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-b685-75e2-9622-ca71c9f58758
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.