# Grass Lake

Grass Lake is a lake in [Chester Township](https://ontology.bommaritollc.com/id/01a0ca47-6d14-77ca-8c6e-371956d9771f), [Otsego County](https://ontology.bommaritollc.com/id/01a0ca47-5dbc-76a7-9cd6-a55d33bece50), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (10.7 ha), in the [North Branch Au Sable River (HUC10 0407000702)](https://ontology.bommaritollc.com/id/01a0de92-1e41-7775-935e-254be29a1796) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-b688-7357-bbd1-48cdd2e6917b>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Otsego County](https://ontology.bommaritollc.com/id/01a0ca47-5dbc-76a7-9cd6-a55d33bece50) › [Chester Township](https://ontology.bommaritollc.com/id/01a0ca47-6d14-77ca-8c6e-371956d9771f)

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

Location: 44.88280, -84.60167 (box -84.60533, 44.88033, -84.59777, 44.88540; west, south, east, north)

- `adms:identifier`: [gnis 627203](https://ontology.bommaritollc.com/id/01a0ddfe-b689-7462-9134-fa85aefb8c70)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Grass Lake](https://ontology.bommaritollc.com/id/01a0de2c-cac1-7667-93a1-c380dda4706b)
- `geo:hasGeometry`:
  - [point of Grass Lake](https://ontology.bommaritollc.com/id/01a0ddfe-eadf-7634-8995-746b21cf0c75)
  - [shape of Grass Lake](https://ontology.bommaritollc.com/id/01a0de2c-cac1-7667-93a1-c380dda4706b)
- `geo:hasMetricArea`: 106909.8 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [North Branch Au Sable River (HUC10 0407000702)](https://ontology.bommaritollc.com/id/01a0de92-1e41-7775-935e-254be29a1796)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-b688-7357-bbd1-48cc7531041a)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-4ddc-759b-92b8-f8f12c6ca88b)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-1803-7303-9b50-f00bbfd45585)
- `schema:containedInPlace`:
  - [Otsego County](https://ontology.bommaritollc.com/id/01a0ca47-5dbc-76a7-9cd6-a55d33bece50)
  - [Chester Township](https://ontology.bommaritollc.com/id/01a0ca47-6d14-77ca-8c6e-371956d9771f)
- `skos:prefLabel`: Grass Lake

## Elsewhere

- [Wikidata Q88273191](https://www.wikidata.org/wiki/Q88273191) (proposed match (exactMatch))
- [USGS GNIS 627203](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/627203) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=44.88280&mlon=-84.60167#map=14/44.88280/-84.60167) (44.88280, -84.60167)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=44.88280,-84.60167)
- [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/Q88273191 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-74a9-761a-87f3-8b10eb4f22ec)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-b688-7357-bbd1-48cdd2e6917b.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-b688-7357-bbd1-48cdd2e6917b.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-b688-7357-bbd1-48cdd2e6917b.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-b688-7357-bbd1-48cdd2e6917b)
Cite as: Grass Lake. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-b688-7357-bbd1-48cdd2e6917b
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.