# Onion Drain

Onion Drain is a canal in [Turner Township](https://ontology.bommaritollc.com/id/01a0ca47-7037-74fb-be9f-59d64d491585), [Arenac County](https://ontology.bommaritollc.com/id/01a0ca47-5c73-7777-b908-2b456076f439), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (4.6 km long), in the [Au Gres River (HUC10 0408010103)](https://ontology.bommaritollc.com/id/01a0de92-1e58-725d-a76f-cb26a05f2126) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-c28a-707d-a947-5f53173a3d77>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Arenac County](https://ontology.bommaritollc.com/id/01a0ca47-5c73-7777-b908-2b456076f439) › [Turner Township](https://ontology.bommaritollc.com/id/01a0ca47-7037-74fb-be9f-59d64d491585)

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

Location: 44.10780, -83.72110 (box -83.74656, 44.10090, -83.70603, 44.10812; west, south, east, north)

- `adms:identifier`: [gnis 634071](https://ontology.bommaritollc.com/id/01a0ddfe-c28b-71bc-b470-f8a0fd7e8569)
- `dcterms:type`: [canal](https://ontology.bommaritollc.com/vocab/geo/gnisCanal)
- `geo:hasDefaultGeometry`: [shape of Onion Drain](https://ontology.bommaritollc.com/id/01a0de2c-d1f0-72a3-aa05-2ac03cb4dbfc)
- `geo:hasGeometry`:
  - [point of Onion Drain](https://ontology.bommaritollc.com/id/01a0ddfe-fb37-730f-ba10-b2911edfe9ee)
  - [shape of Onion Drain](https://ontology.bommaritollc.com/id/01a0de2c-d1f0-72a3-aa05-2ac03cb4dbfc)
- `geo:hasMetricLength`: 4611.8 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Au Gres River (HUC10 0408010103)](https://ontology.bommaritollc.com/id/01a0de92-1e58-725d-a76f-cb26a05f2126)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-c28a-707d-a947-5f52f19c62ff)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-5777-71d0-8bfe-9cd8c0e73d7a)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-181c-7425-b48e-b784fb848349)
- `schema:containedInPlace`:
  - [Arenac County](https://ontology.bommaritollc.com/id/01a0ca47-5c73-7777-b908-2b456076f439)
  - [Turner Township](https://ontology.bommaritollc.com/id/01a0ca47-7037-74fb-be9f-59d64d491585)
- `skos:prefLabel`: Onion Drain

## Elsewhere

- [Wikidata Q33208975](https://www.wikidata.org/wiki/Q33208975) (proposed match (exactMatch))
- [USGS GNIS 634071](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/634071) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=44.10780&mlon=-83.72110#map=14/44.10780/-83.72110) (44.10780, -83.72110)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=44.10780,-83.72110)
- [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/Q33208975 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-76b9-7039-84de-384c90c51b3f)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-c28a-707d-a947-5f53173a3d77.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-c28a-707d-a947-5f53173a3d77.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-c28a-707d-a947-5f53173a3d77.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-c28a-707d-a947-5f53173a3d77)
Cite as: Onion Drain. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-c28a-707d-a947-5f53173a3d77
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.