# Willoughby Branch

Willoughby Branch is a stream in [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (2.7 km long), in the [Black River (HUC10 0409000102)](https://ontology.bommaritollc.com/id/01a0de92-1ec7-7199-a92b-2f1f3f15431a) watershed; it flows into [Willoughby Drain](https://ontology.bommaritollc.com/id/01a0ddfe-dc79-7794-977c-7c9cf67f98b3).

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-dc78-70bc-99aa-638a825f8dcf>

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: 43.15114, -82.98049 (box -82.98379, 43.15120, -82.97036, 43.16529; west, south, east, north)

- `adms:identifier`: [gnis 1625021](https://ontology.bommaritollc.com/id/01a0ddfe-dc79-7794-977c-7c9aaa429815)
- `dcterms:type`: [stream](https://ontology.bommaritollc.com/vocab/geo/gnisStream)
- **flows into** (`bcgeo:flowsInto`): [Willoughby Drain](https://ontology.bommaritollc.com/id/01a0ddfe-dc79-7794-977c-7c9cf67f98b3)
- `geo:hasDefaultGeometry`: [shape of Willoughby Branch](https://ontology.bommaritollc.com/id/01a0de2c-e1d9-7317-bd26-f5dce6fce655)
- `geo:hasGeometry`:
  - [point of Willoughby Branch](https://ontology.bommaritollc.com/id/01a0ddff-1ae9-77df-b8fe-ef1c38990cd1)
  - [shape of Willoughby Branch](https://ontology.bommaritollc.com/id/01a0de2c-e1d9-7317-bd26-f5dce6fce655)
- `geo:hasMetricLength`: 2684.8 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Black River (HUC10 0409000102)](https://ontology.bommaritollc.com/id/01a0de92-1ec7-7199-a92b-2f1f3f15431a)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-dc78-70bc-99aa-6389822759a8)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-6adc-7125-9729-d846355a07e2)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-18a2-71b0-8b35-553c9c3e54af)
- `schema:containedInPlace`:
  - [Sanilac County](https://ontology.bommaritollc.com/id/01a0ca47-5953-7311-ac48-68da826dd41b)
  - [St. Clair County](https://ontology.bommaritollc.com/id/01a0ca47-5a01-72ff-8fe9-1447a694275e)
  - [Lynn Township](https://ontology.bommaritollc.com/id/01a0ca47-76d4-721e-bc4e-e8e3cc811986)
  - [Maple Valley Township](https://ontology.bommaritollc.com/id/01a0ca47-7722-70e3-99b4-38635ced7c86)
- `skos:prefLabel`: Willoughby Branch

## Elsewhere

- [Wikidata Q34912295](https://www.wikidata.org/wiki/Q34912295) (proposed match (exactMatch))
- [USGS GNIS 1625021](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/1625021) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=43.15114&mlon=-82.98049#map=14/43.15114/-82.98049) (43.15114, -82.98049)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=43.15114,-82.98049)
- [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/Q34912295 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-79ea-70ff-9409-990a56d25d52)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-dc78-70bc-99aa-638a825f8dcf.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-dc78-70bc-99aa-638a825f8dcf.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-dc78-70bc-99aa-638a825f8dcf.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-dc78-70bc-99aa-638a825f8dcf)
Cite as: Willoughby Branch. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-dc78-70bc-99aa-638a825f8dcf
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.