# Gratiot River

Gratiot River is a stream in [Keweenaw County](https://ontology.bommaritollc.com/id/01a0ca47-5d2f-7501-b2ba-1fe0d1e4fc6a), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (23.5 km long), in the [Nodaway Point-Frontal Lake Superior (HUC10 0418000001)](https://ontology.bommaritollc.com/id/01a0de92-1f26-72d2-95cf-36dfd969113e) watershed; it flows into [Lake Superior](https://ontology.bommaritollc.com/id/01a0ddfe-d154-7649-b19b-081f619c450a).

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-b69c-7592-b59d-eb3986dd2e47>

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:Place](https://schema.org/Place), [schema:RiverBodyOfWater](https://schema.org/RiverBodyOfWater)

Location: 47.34381, -88.45261 (box -88.45250, 47.31855, -88.26142, 47.36256; west, south, east, north)

- `adms:identifier`: [gnis 627233](https://ontology.bommaritollc.com/id/01a0ddfe-b69c-7592-b59d-eb42af55aa6a)
- `dcterms:type`: [stream](https://ontology.bommaritollc.com/vocab/geo/gnisStream)
- **flows into** (`bcgeo:flowsInto`): [Lake Superior](https://ontology.bommaritollc.com/id/01a0ddfe-d154-7649-b19b-081f619c450a)
- `geo:hasDefaultGeometry`: [shape of Gratiot River](https://ontology.bommaritollc.com/id/01a0de2c-cac9-708e-87bd-f1f458222e7e)
- `geo:hasGeometry`:
  - [point of Gratiot River](https://ontology.bommaritollc.com/id/01a0ddfe-eae7-7260-a097-5422ff882b9d)
  - [shape of Gratiot River](https://ontology.bommaritollc.com/id/01a0de2c-cac9-708e-87bd-f1f458222e7e)
- `geo:hasMetricLength`: 23476.5 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Nodaway Point-Frontal Lake Superior (HUC10 0418000001)](https://ontology.bommaritollc.com/id/01a0de92-1f26-72d2-95cf-36dfd969113e)
- `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-eb38f5f0018c)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-4de6-77da-b6fd-56030fafe107)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-1923-71fb-aada-d53e5a05907d)
- `schema:containedInPlace`:
  - [Keweenaw County](https://ontology.bommaritollc.com/id/01a0ca47-5d2f-7501-b2ba-1fe0d1e4fc6a)
  - [Allouez Township](https://ontology.bommaritollc.com/id/01a0ca47-6b41-7614-88dd-fce8f335d25e)
  - [Houghton Township](https://ontology.bommaritollc.com/id/01a0ca47-7cd1-7618-8ec3-65ca0f1f1532)
- `skos:prefLabel`: Gratiot River

## Elsewhere

- [USGS GNIS 627233](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/627233) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=47.34381&mlon=-88.45261#map=14/47.34381/-88.45261) (47.34381, -88.45261)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=47.34381,-88.45261)
- [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)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-b69c-7592-b59d-eb3986dd2e47.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-b69c-7592-b59d-eb3986dd2e47.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-b69c-7592-b59d-eb3986dd2e47.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-b69c-7592-b59d-eb3986dd2e47)
Cite as: Gratiot River. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-b69c-7592-b59d-eb3986dd2e47
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.