# Willoughby Drain

Willoughby Drain is a canal in [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (5.1 km long), in the [Black River (HUC10 0409000102)](https://ontology.bommaritollc.com/id/01a0de92-1ec7-7199-a92b-2f1f3f15431a) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-dc79-7794-977c-7c9cf67f98b3>

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

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

Location: 43.14392, -82.98327 (box -83.00290, 43.13340, -82.95822, 43.15267; west, south, east, north)

- `adms:identifier`: [gnis 1625022](https://ontology.bommaritollc.com/id/01a0ddfe-dc79-7794-977c-7ca5b0ad57cb)
- `dcterms:type`: [canal](https://ontology.bommaritollc.com/vocab/geo/gnisCanal)
- `geo:hasDefaultGeometry`: [shape of Willoughby Drain](https://ontology.bommaritollc.com/id/01a0de2c-e1d9-7317-bd26-f5e4411ae3f5)
- `geo:hasGeometry`:
  - [point of Willoughby Drain](https://ontology.bommaritollc.com/id/01a0ddff-1aea-7252-b392-0742091a1aaa)
  - [shape of Willoughby Drain](https://ontology.bommaritollc.com/id/01a0de2c-e1d9-7317-bd26-f5e4411ae3f5)
- `geo:hasMetricLength`: 5143.0 (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-dc79-7794-977c-7c9b75cd84e4)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-6add-71a3-88b6-697062b082bc)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-18a2-71b0-8b35-553c9c3e54af)
- `schema:containedInPlace`:
  - [St. Clair County](https://ontology.bommaritollc.com/id/01a0ca47-5a01-72ff-8fe9-1447a694275e)
  - [Lapeer County](https://ontology.bommaritollc.com/id/01a0ca47-5a07-7411-967f-81e8eda85369)
  - [Goodland Township](https://ontology.bommaritollc.com/id/01a0ca47-70a0-70fd-a0fa-6598f9912da9)
  - [Lynn Township](https://ontology.bommaritollc.com/id/01a0ca47-76d4-721e-bc4e-e8e3cc811986)
- `skos:prefLabel`: Willoughby Drain

## Elsewhere

- [Wikidata Q33220687](https://www.wikidata.org/wiki/Q33220687) (proposed match (exactMatch))
- [USGS GNIS 1625022](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/1625022) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=43.14392&mlon=-82.98327#map=14/43.14392/-82.98327) (43.14392, -82.98327)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=43.14392,-82.98327)
- [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`):
  - [Willoughby Branch](https://ontology.bommaritollc.com/id/01a0ddfe-dc78-70bc-99aa-638a825f8dcf)
- Mappings (1; `owl:annotatedSource`):
  - [exactMatch http://www.wikidata.org/entity/Q33220687 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-79ea-70ff-9409-990c7ec3d0b3)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-dc79-7794-977c-7c9cf67f98b3.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-dc79-7794-977c-7c9cf67f98b3.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-dc79-7794-977c-7c9cf67f98b3.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-dc79-7794-977c-7c9cf67f98b3)
Cite as: Willoughby Drain. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-dc79-7794-977c-7c9cf67f98b3
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.