# Oker Drain

Oker Drain is a canal in [Sebewaing Township](https://ontology.bommaritollc.com/id/01a0ca47-6f50-75b4-8550-d38ecddd7173), [Huron County](https://ontology.bommaritollc.com/id/01a0ca47-5950-7191-8721-77fb1d5c81c2), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa), in the [Sebewaing River-Frontal Lake Huron (HUC10 0408010301)](https://ontology.bommaritollc.com/id/01a0de92-1e6a-773a-9f33-1d21e1a7ea24) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-c26d-7547-8a4d-e420fc115385>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Huron County](https://ontology.bommaritollc.com/id/01a0ca47-5950-7191-8721-77fb1d5c81c2) › [Sebewaing Township](https://ontology.bommaritollc.com/id/01a0ca47-6f50-75b4-8550-d38ecddd7173)

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

Location: 43.70307, -83.44996 (box -83.44996, 43.70307, -83.44996, 43.70307; west, south, east, north)

- `adms:identifier`: [gnis 633978](https://ontology.bommaritollc.com/id/01a0ddfe-c26e-71c0-84be-7f24f98ec44f)
- `dcterms:type`: [canal](https://ontology.bommaritollc.com/vocab/geo/gnisCanal)
- `geo:hasDefaultGeometry`: [point of Oker Drain](https://ontology.bommaritollc.com/id/01a0ddfe-fb26-7590-8c9b-d8d494293442)
- `geo:hasGeometry`: [point of Oker Drain](https://ontology.bommaritollc.com/id/01a0ddfe-fb26-7590-8c9b-d8d494293442)
- **in watershed** (`bcgeo:inWatershed`): [Sebewaing River-Frontal Lake Huron (HUC10 0408010301)](https://ontology.bommaritollc.com/id/01a0de92-1e6a-773a-9f33-1d21e1a7ea24)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-c26d-7547-8a4d-e41f96bec912)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-575e-7660-aa42-47c7d9d2835e)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-182e-7716-9d74-ca76033e3abf)
- `schema:containedInPlace`:
  - [Huron County](https://ontology.bommaritollc.com/id/01a0ca47-5950-7191-8721-77fb1d5c81c2)
  - [Sebewaing Township](https://ontology.bommaritollc.com/id/01a0ca47-6f50-75b4-8550-d38ecddd7173)
- `skos:prefLabel`: Oker Drain

## Elsewhere

- [Wikidata Q33208870](https://www.wikidata.org/wiki/Q33208870) (proposed match (exactMatch))
- [USGS GNIS 633978](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/633978) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=43.70307&mlon=-83.44996#map=14/43.70307/-83.44996) (43.70307, -83.44996)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=43.70307,-83.44996)
- [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/Q33208870 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-76b7-77de-afca-8ef6a1bc8037)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-c26d-7547-8a4d-e420fc115385.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-c26d-7547-8a4d-e420fc115385.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-c26d-7547-8a4d-e420fc115385.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-c26d-7547-8a4d-e420fc115385)
Cite as: Oker Drain. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-c26d-7547-8a4d-e420fc115385
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.