# Grassy Lake

Grassy Lake is a lake in [Lenawee County](https://ontology.bommaritollc.com/id/01a0ca47-5a45-7139-a14c-e06bafbc3a94), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (20.1 ha), in the [Evans Creek-River Raisin (HUC10 0410000201)](https://ontology.bommaritollc.com/id/01a0de92-1efe-73f3-ac62-d2f932862558) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-b69b-70a0-b204-126aa7222674>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Lenawee County](https://ontology.bommaritollc.com/id/01a0ca47-5a45-7139-a14c-e06bafbc3a94)

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

Location: 42.04369, -84.24610 (box -84.25035, 42.04001, -84.24175, 42.04723; west, south, east, north)

- `adms:identifier`: [gnis 627230](https://ontology.bommaritollc.com/id/01a0ddfe-b69c-7592-b59d-eb377fb5ba9f)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Grassy Lake](https://ontology.bommaritollc.com/id/01a0de2c-cac8-7314-ab8d-aa02272f8ea5)
- `geo:hasGeometry`:
  - [point of Grassy Lake](https://ontology.bommaritollc.com/id/01a0ddfe-eae6-71fa-bd53-0b0f9d9d7e17)
  - [shape of Grassy Lake](https://ontology.bommaritollc.com/id/01a0de2c-cac8-7314-ab8d-aa02272f8ea5)
- `geo:hasMetricArea`: 201002.9 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Evans Creek-River Raisin (HUC10 0410000201)](https://ontology.bommaritollc.com/id/01a0de92-1efe-73f3-ac62-d2f932862558)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-b69b-70a0-b204-1269b9185bfe)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-4de5-7695-b676-322e46edb63a)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-18ed-7065-a99d-e738833f6c35)
- `schema:containedInPlace`:
  - [Lenawee County](https://ontology.bommaritollc.com/id/01a0ca47-5a45-7139-a14c-e06bafbc3a94)
  - [Cambridge Township](https://ontology.bommaritollc.com/id/01a0ca47-6cc0-753c-876b-47ae953808f2)
  - [Woodstock Township](https://ontology.bommaritollc.com/id/01a0ca47-7ca4-7426-99c9-917593ed4531)
- `skos:prefLabel`: Grassy Lake

## Elsewhere

- [Wikidata Q88273208](https://www.wikidata.org/wiki/Q88273208) (proposed match (exactMatch))
- [USGS GNIS 627230](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/627230) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.04369&mlon=-84.24610#map=14/42.04369/-84.24610) (42.04369, -84.24610)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.04369,-84.24610)
- [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/Q88273208 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-74aa-718a-9b23-1fdefdb0e537)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-b69b-70a0-b204-126aa7222674.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-b69b-70a0-b204-126aa7222674.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-b69b-70a0-b204-126aa7222674.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-b69b-70a0-b204-126aa7222674)
Cite as: Grassy Lake. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-b69b-70a0-b204-126aa7222674
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.