# Downey Drain

Downey Drain is a canal in [Sanilac County](https://ontology.bommaritollc.com/id/01a0ca47-5953-7311-ac48-68da826dd41b), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (5.0 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-b2c8-70c9-8447-1bcbe89bf9e0>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Sanilac County](https://ontology.bommaritollc.com/id/01a0ca47-5953-7311-ac48-68da826dd41b)

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

Location: 43.17669, -82.85827 (box -82.88231, 43.16633, -82.84098, 43.17662; west, south, east, north)

- `adms:identifier`: [gnis 624856](https://ontology.bommaritollc.com/id/01a0ddfe-b2c9-7669-9383-d9500c258eba)
- `dcterms:type`: [canal](https://ontology.bommaritollc.com/vocab/geo/gnisCanal)
- `geo:hasDefaultGeometry`: [shape of Downey Drain](https://ontology.bommaritollc.com/id/01a0de2c-c850-7592-8733-b45550964aac)
- `geo:hasGeometry`:
  - [point of Downey Drain](https://ontology.bommaritollc.com/id/01a0ddfe-e768-72f4-ab86-a1fd20ee3b58)
  - [shape of Downey Drain](https://ontology.bommaritollc.com/id/01a0de2c-c850-7592-8733-b45550964aac)
- `geo:hasMetricLength`: 5004.3 (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-b2c8-70c9-8447-1bcabfa1e64c)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-4ae5-7015-b95a-5bd2af5e508d)
  - [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)
  - [Maple Valley Township](https://ontology.bommaritollc.com/id/01a0ca47-7722-70e3-99b4-38635ced7c86)
  - [Speaker Township](https://ontology.bommaritollc.com/id/01a0ca47-7a84-72b7-bc36-d7d80fac520d)
- `skos:prefLabel`: Downey Drain

## Elsewhere

- [Wikidata Q33191022](https://www.wikidata.org/wiki/Q33191022) (proposed match (exactMatch))
- [USGS GNIS 624856](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/624856) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=43.17669&mlon=-82.85827#map=14/43.17669/-82.85827) (43.17669, -82.85827)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=43.17669,-82.85827)
- [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/Q33191022 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-7466-73f2-b552-f1ab33d50f25)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-b2c8-70c9-8447-1bcbe89bf9e0.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-b2c8-70c9-8447-1bcbe89bf9e0.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-b2c8-70c9-8447-1bcbe89bf9e0.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-b2c8-70c9-8447-1bcbe89bf9e0)
Cite as: Downey Drain. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-b2c8-70c9-8447-1bcbe89bf9e0
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.