# Trap Rock River

Trap Rock River is a stream in [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (31.8 km long), in the [Portage Lake (HUC10 0402010303)](https://ontology.bommaritollc.com/id/01a0de92-1c36-7303-87e5-dc6e63d6279f) watershed; it flows into [Torch Lake](https://ontology.bommaritollc.com/id/01a0ddfe-ccc8-779b-b09f-9ffa454d76cf).

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-cce6-7107-b9a4-6387248448b8>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa)

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

Location: 47.19493, -88.39817 (box -88.39688, 47.19582, -88.24888, 47.33599; west, south, east, north)

- `adms:identifier`: [gnis 1615036](https://ontology.bommaritollc.com/id/01a0ddfe-cce7-774a-9cbd-1b8b380e6967)
- `dcterms:type`: [stream](https://ontology.bommaritollc.com/vocab/geo/gnisStream)
- **flows into** (`bcgeo:flowsInto`): [Torch Lake](https://ontology.bommaritollc.com/id/01a0ddfe-ccc8-779b-b09f-9ffa454d76cf)
- `geo:hasDefaultGeometry`: [shape of Trap Rock River](https://ontology.bommaritollc.com/id/01a0de2c-d798-7003-8e7a-a2a02b6b63a4)
- `geo:hasGeometry`:
  - [point of Trap Rock River](https://ontology.bommaritollc.com/id/01a0ddff-0870-7229-8e67-8396e4aab148)
  - [shape of Trap Rock River](https://ontology.bommaritollc.com/id/01a0de2c-d798-7003-8e7a-a2a02b6b63a4)
- `geo:hasMetricLength`: 31784.3 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Portage Lake (HUC10 0402010303)](https://ontology.bommaritollc.com/id/01a0de92-1c36-7303-87e5-dc6e63d6279f)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-cce6-7107-b9a4-6386990cb98f)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-5f14-7676-a410-0277c3df4822)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-157f-77fc-b2ca-49005e06e599)
- `schema:containedInPlace`:
  - [Houghton County](https://ontology.bommaritollc.com/id/01a0ca47-5837-77b7-8da4-931131405a4c)
  - [Keweenaw County](https://ontology.bommaritollc.com/id/01a0ca47-5d2f-7501-b2ba-1fe0d1e4fc6a)
  - [Allouez Township](https://ontology.bommaritollc.com/id/01a0ca47-6b41-7614-88dd-fce8f335d25e)
  - [Schoolcraft Township](https://ontology.bommaritollc.com/id/01a0ca47-79d8-72c9-a025-515254b28cd4)
  - [Sherman Township](https://ontology.bommaritollc.com/id/01a0ca47-7a49-76e2-95f9-45bdd4363bdc)
  - [Calumet Township](https://ontology.bommaritollc.com/id/01a0ca47-7cba-7589-b013-fd93fb270a96)
  - [Houghton Township](https://ontology.bommaritollc.com/id/01a0ca47-7cd1-7618-8ec3-65ca0f1f1532)
- `skos:prefLabel`: Trap Rock River

## Elsewhere

- [USGS GNIS 1615036](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/1615036) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=47.19493&mlon=-88.39817#map=14/47.19493/-88.39817) (47.19493, -88.39817)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=47.19493,-88.39817)
- [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 (2; `bcgeo:flowsInto`):
  - [Hammell Creek](https://ontology.bommaritollc.com/id/01a0ddfe-b743-751e-adbf-936acdefae27)
  - [Scales Creek](https://ontology.bommaritollc.com/id/01a0ddfe-c7b8-7489-bb03-b210c65d72c8)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-cce6-7107-b9a4-6387248448b8.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-cce6-7107-b9a4-6387248448b8.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-cce6-7107-b9a4-6387248448b8.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-cce6-7107-b9a4-6387248448b8)
Cite as: Trap Rock River. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-cce6-7107-b9a4-6387248448b8
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.