# Grass Lake

Grass Lake is a swamp in [Clinton Township](https://ontology.bommaritollc.com/id/01a0ca47-6d80-760c-8c69-2b33a3d13919), [Oscoda County](https://ontology.bommaritollc.com/id/01a0ca47-5dba-7152-bf1b-07992088cd56), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa), in the [Upper South Branch Thunder Bay River (HUC10 0407000602)](https://ontology.bommaritollc.com/id/01a0de92-1e31-76f9-b717-19e817378970) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-b687-7771-a1ba-8c5016c4d494>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Oscoda County](https://ontology.bommaritollc.com/id/01a0ca47-5dba-7152-bf1b-07992088cd56) › [Clinton Township](https://ontology.bommaritollc.com/id/01a0ca47-6d80-760c-8c69-2b33a3d13919)

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

Location: 44.82346, -84.00921 (box -84.00921, 44.82346, -84.00921, 44.82346; west, south, east, north)

- `adms:identifier`: [gnis 627201](https://ontology.bommaritollc.com/id/01a0ddfe-b688-7357-bbd1-48c12a50820d)
- `dcterms:type`: [swamp](https://ontology.bommaritollc.com/vocab/geo/gnisSwamp)
- `geo:hasDefaultGeometry`: [point of Grass Lake](https://ontology.bommaritollc.com/id/01a0ddfe-eade-743c-ab28-a1ba0485d4fe)
- `geo:hasGeometry`: [point of Grass Lake](https://ontology.bommaritollc.com/id/01a0ddfe-eade-743c-ab28-a1ba0485d4fe)
- **in watershed** (`bcgeo:inWatershed`): [Upper South Branch Thunder Bay River (HUC10 0407000602)](https://ontology.bommaritollc.com/id/01a0de92-1e31-76f9-b717-19e817378970)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-b687-7771-a1ba-8c4fd729b0e2)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-4ddb-7108-b01e-d13a051991f4)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-17eb-71d7-b6bb-031729a70601)
- `schema:containedInPlace`:
  - [Oscoda County](https://ontology.bommaritollc.com/id/01a0ca47-5dba-7152-bf1b-07992088cd56)
  - [Clinton Township](https://ontology.bommaritollc.com/id/01a0ca47-6d80-760c-8c69-2b33a3d13919)
- `skos:prefLabel`: Grass Lake

## Elsewhere

- [Wikidata Q33174901](https://www.wikidata.org/wiki/Q33174901) (proposed match (exactMatch))
- [USGS GNIS 627201](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/627201) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=44.82346&mlon=-84.00921#map=14/44.82346/-84.00921) (44.82346, -84.00921)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=44.82346,-84.00921)
- [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/Q33174901 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-74a8-71e9-903d-ff99ded98490)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-b687-7771-a1ba-8c5016c4d494.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-b687-7771-a1ba-8c5016c4d494.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-b687-7771-a1ba-8c5016c4d494.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-b687-7771-a1ba-8c5016c4d494)
Cite as: Grass Lake. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-b687-7771-a1ba-8c5016c4d494
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.