# Huffman Drain

Huffman Drain is a canal in [Port Huron Township](https://ontology.bommaritollc.com/id/01a0ca47-6121-736e-ab54-b5e8dae04a72), [St. Clair County](https://ontology.bommaritollc.com/id/01a0ca47-5a01-72ff-8fe9-1447a694275e), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (4.7 km long), in the [Saint Clair River (HUC10 0409000105)](https://ontology.bommaritollc.com/id/01a0de92-1ece-757f-882f-8356e573f6de) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-dba8-751f-b4e6-6d93c76a797c>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [St. Clair County](https://ontology.bommaritollc.com/id/01a0ca47-5a01-72ff-8fe9-1447a694275e) › [Port Huron Township](https://ontology.bommaritollc.com/id/01a0ca47-6121-736e-ab54-b5e8dae04a72)

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

Location: 42.95586, -82.48631 (box -82.49986, 42.94743, -82.47550, 42.97127; west, south, east, north)

- `adms:identifier`: [gnis 1624616](https://ontology.bommaritollc.com/id/01a0ddfe-dba8-751f-b4e6-6d9c07e36973)
- `dcterms:type`: [canal](https://ontology.bommaritollc.com/vocab/geo/gnisCanal)
- `geo:hasDefaultGeometry`: [shape of Huffman Drain](https://ontology.bommaritollc.com/id/01a0de2c-e095-7319-a359-c5e72eee2b25)
- `geo:hasGeometry`:
  - [point of Huffman Drain](https://ontology.bommaritollc.com/id/01a0ddff-191a-7077-9501-c4999008671e)
  - [shape of Huffman Drain](https://ontology.bommaritollc.com/id/01a0de2c-e095-7319-a359-c5e72eee2b25)
- `geo:hasMetricLength`: 4653.1 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Saint Clair River (HUC10 0409000105)](https://ontology.bommaritollc.com/id/01a0de92-1ece-757f-882f-8356e573f6de)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-dba8-751f-b4e6-6d9284cf12da)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-6a23-7349-b38a-0dea5f5c6f7e)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-18ac-710e-8705-d0fc1a0105f3)
- `schema:containedInPlace`:
  - [St. Clair County](https://ontology.bommaritollc.com/id/01a0ca47-5a01-72ff-8fe9-1447a694275e)
  - [Port Huron Township](https://ontology.bommaritollc.com/id/01a0ca47-6121-736e-ab54-b5e8dae04a72)
- `skos:altLabel`: Hoffman Drain
- `skos:prefLabel`: Huffman Drain

## Elsewhere

- [Wikidata Q33197980](https://www.wikidata.org/wiki/Q33197980) (proposed match (exactMatch))
- [USGS GNIS 1624616](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/1624616) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.95586&mlon=-82.48631#map=14/42.95586/-82.48631) (42.95586, -82.48631)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.95586,-82.48631)
- [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/Q33197980 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-79e0-7153-98fd-e393149e57ab)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-dba8-751f-b4e6-6d93c76a797c.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-dba8-751f-b4e6-6d93c76a797c.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-dba8-751f-b4e6-6d93c76a797c.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-dba8-751f-b4e6-6d93c76a797c)
Cite as: Huffman Drain. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-dba8-751f-b4e6-6d93c76a797c
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.