# Grass Lake

Grass Lake is a lake in [Thompson Township](https://ontology.bommaritollc.com/id/01a0ca47-6f26-7196-87b7-19aed5e2a0ef), [Schoolcraft County](https://ontology.bommaritollc.com/id/01a0ca47-5db8-742e-a771-aed84d83e265), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (13.0 ha), in the [Fishdam River-Frontal Big Bay De Noc (HUC10 0403011201)](https://ontology.bommaritollc.com/id/01a0de92-1ce3-716b-b1ad-9cb02f3ee575) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-d424-76e2-af6b-fd14667e32d2>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Schoolcraft County](https://ontology.bommaritollc.com/id/01a0ca47-5db8-742e-a771-aed84d83e265) › [Thompson Township](https://ontology.bommaritollc.com/id/01a0ca47-6f26-7196-87b7-19aed5e2a0ef)

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

Location: 45.88980, -86.39460 (box -86.40051, 45.88649, -86.39052, 45.89178; west, south, east, north)

- `adms:identifier`: [gnis 1620063](https://ontology.bommaritollc.com/id/01a0ddfe-d424-76e2-af6b-fd1c10627351)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Grass Lake](https://ontology.bommaritollc.com/id/01a0de2c-dbfc-70e3-8df9-e4a03401e4c4)
- `geo:hasGeometry`:
  - [point of Grass Lake](https://ontology.bommaritollc.com/id/01a0ddff-10ed-72dd-a909-25d025121c68)
  - [shape of Grass Lake](https://ontology.bommaritollc.com/id/01a0de2c-dbfc-70e3-8df9-e4a03401e4c4)
- `geo:hasMetricArea`: 130478.5 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Fishdam River-Frontal Big Bay De Noc (HUC10 0403011201)](https://ontology.bommaritollc.com/id/01a0de92-1ce3-716b-b1ad-9cb02f3ee575)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-d424-76e2-af6b-fd137fd75f2e)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-6480-76bc-ba79-83b279ea5633)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-1649-75a0-a083-dc63c00d245a)
- `schema:containedInPlace`:
  - [Schoolcraft County](https://ontology.bommaritollc.com/id/01a0ca47-5db8-742e-a771-aed84d83e265)
  - [Thompson Township](https://ontology.bommaritollc.com/id/01a0ca47-6f26-7196-87b7-19aed5e2a0ef)
- `skos:prefLabel`: Grass Lake

## Elsewhere

- [Wikidata Q33257157](https://www.wikidata.org/wiki/Q33257157) (proposed match (exactMatch))
- [USGS GNIS 1620063](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/1620063) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=45.88980&mlon=-86.39460#map=14/45.88980/-86.39460) (45.88980, -86.39460)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=45.88980,-86.39460)
- [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/Q33257157 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-78e6-762c-9395-d64287d388ea)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-d424-76e2-af6b-fd14667e32d2.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-d424-76e2-af6b-fd14667e32d2.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-d424-76e2-af6b-fd14667e32d2.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-d424-76e2-af6b-fd14667e32d2)
Cite as: Grass Lake. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-d424-76e2-af6b-fd14667e32d2
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.