# Lake Gratiot

Lake Gratiot is a lake in [Keweenaw County](https://ontology.bommaritollc.com/id/01a0ca47-5d2f-7501-b2ba-1fe0d1e4fc6a), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (5.9 km²), in the [Montreal River-Frontal Lake Superior (HUC10 0402010305)](https://ontology.bommaritollc.com/id/01a0de92-1c3c-7128-b86f-05eb41187e92) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-b69c-7592-b59d-eb44994ef7d3>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Keweenaw County](https://ontology.bommaritollc.com/id/01a0ca47-5d2f-7501-b2ba-1fe0d1e4fc6a)

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

Location: 47.35520, -88.12681 (box -88.15066, 47.34113, -88.10337, 47.37038; west, south, east, north)

- `adms:identifier`: [gnis 627235](https://ontology.bommaritollc.com/id/01a0ddfe-b69d-76aa-83a7-755929928b19)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Lake Gratiot](https://ontology.bommaritollc.com/id/01a0de2c-cac9-708e-87bd-f1fccd5a30af)
- `geo:hasGeometry`:
  - [point of Lake Gratiot](https://ontology.bommaritollc.com/id/01a0ddfe-eae7-7260-a097-54288499b232)
  - [shape of Lake Gratiot](https://ontology.bommaritollc.com/id/01a0de2c-cac9-708e-87bd-f1fccd5a30af)
- `geo:hasMetricArea`: 5884910.5 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Montreal River-Frontal Lake Superior (HUC10 0402010305)](https://ontology.bommaritollc.com/id/01a0de92-1c3c-7128-b86f-05eb41187e92)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-b69c-7592-b59d-eb439afe8bf5)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-4de6-77da-b6fd-560cb5627ab7)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-1586-7039-90cd-868a60007357)
- `schema:containedInPlace`:
  - [Keweenaw County](https://ontology.bommaritollc.com/id/01a0ca47-5d2f-7501-b2ba-1fe0d1e4fc6a)
  - [Eagle Harbor Township](https://ontology.bommaritollc.com/id/01a0ca47-6e5a-71b6-9848-23ba888081e4)
  - [Grant Township](https://ontology.bommaritollc.com/id/01a0ca47-70b6-7620-8fe0-e460baaefc02)
- `skos:altLabel`: Gratiot Lake
- `skos:prefLabel`: Lake Gratiot

## Elsewhere

- [Wikidata Q33269293](https://www.wikidata.org/wiki/Q33269293) (proposed match (exactMatch))
- [USGS GNIS 627235](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/627235) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=47.35520&mlon=-88.12681#map=14/47.35520/-88.12681) (47.35520, -88.12681)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=47.35520,-88.12681)
- [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

- Flowing into it (1; `bcgeo:flowsInto`):
  - [Sucker Creek](https://ontology.bommaritollc.com/id/01a0ddfe-cb05-75f2-ae85-c9af88977ddc)
- Mappings (1; `owl:annotatedSource`):
  - [exactMatch http://www.wikidata.org/entity/Q33269293 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-74aa-718a-9b23-1fe06997ec2f)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-b69c-7592-b59d-eb44994ef7d3.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-b69c-7592-b59d-eb44994ef7d3.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-b69c-7592-b59d-eb44994ef7d3.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-b69c-7592-b59d-eb44994ef7d3)
Cite as: Lake Gratiot. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-b69c-7592-b59d-eb44994ef7d3
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.