# Rock River

Rock River is a stream in [Mackinac County](https://ontology.bommaritollc.com/id/01a0ca47-5c59-72ef-9b47-f808d9d32f80), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (21.5 km long), in the [Lower Millecoquins River-Frontal Lake Michigan (HUC10 0403011402)](https://ontology.bommaritollc.com/id/01a0de92-1cfd-7736-99ff-a6462fb0aa95) watershed; it flows into [Lake Michigan](https://ontology.bommaritollc.com/id/01a0ddfe-da8b-736c-b10c-b5ac4195f147).

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-c67a-76e4-bae1-61bec4118f9a>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Mackinac County](https://ontology.bommaritollc.com/id/01a0ca47-5c59-72ef-9b47-f808d9d32f80)

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

Location: 46.08416, -85.53399 (box -85.70834, 46.08199, -85.53669, 46.13268; west, south, east, north)

- `adms:identifier`: [gnis 636085](https://ontology.bommaritollc.com/id/01a0ddfe-c67b-74c9-8851-47f7e3df2185)
- `dcterms:type`: [stream](https://ontology.bommaritollc.com/vocab/geo/gnisStream)
- **flows into** (`bcgeo:flowsInto`): [Lake Michigan](https://ontology.bommaritollc.com/id/01a0ddfe-da8b-736c-b10c-b5ac4195f147)
- `geo:hasDefaultGeometry`: [shape of Rock River](https://ontology.bommaritollc.com/id/01a0de2c-d405-72cc-95ee-ba112a923481)
- `geo:hasGeometry`:
  - [point of Rock River](https://ontology.bommaritollc.com/id/01a0ddff-0069-735f-8a52-3d7406d03104)
  - [shape of Rock River](https://ontology.bommaritollc.com/id/01a0de2c-d405-72cc-95ee-ba112a923481)
- `geo:hasMetricLength`: 21519.7 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Lower Millecoquins River-Frontal Lake Michigan (HUC10 0403011402)](https://ontology.bommaritollc.com/id/01a0de92-1cfd-7736-99ff-a6462fb0aa95)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-c67a-76e4-bae1-61bd42a2acec)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-59e1-71a8-838f-7174b79b7cf3)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-166b-7061-ab34-12771ab0ce25)
- `schema:containedInPlace`:
  - [Mackinac County](https://ontology.bommaritollc.com/id/01a0ca47-5c59-72ef-9b47-f808d9d32f80)
  - [Garfield Township](https://ontology.bommaritollc.com/id/01a0ca47-7011-744b-a593-43d711176c1d)
  - [Newton Township](https://ontology.bommaritollc.com/id/01a0ca47-7cca-725a-b34e-e1134b5be9f2)
- `skos:prefLabel`: Rock River

## Elsewhere

- [Wikidata Q7354648](https://www.wikidata.org/wiki/Q7354648) (proposed match (exactMatch))
- [USGS GNIS 636085](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/636085) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=46.08416&mlon=-85.53399#map=14/46.08416/-85.53399) (46.08416, -85.53399)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=46.08416,-85.53399)
- [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/Q7354648 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-76f3-755e-be21-f59904e22b92)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-c67a-76e4-bae1-61bec4118f9a.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-c67a-76e4-bae1-61bec4118f9a.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-c67a-76e4-bae1-61bec4118f9a.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-c67a-76e4-bae1-61bec4118f9a)
Cite as: Rock River. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-c67a-76e4-bae1-61bec4118f9a
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.