# Hahn Drain

Hahn Drain is a canal in [Ogden Township](https://ontology.bommaritollc.com/id/01a0ca47-782a-71ee-a947-2fdc9d585b88), [Lenawee County](https://ontology.bommaritollc.com/id/01a0ca47-5a45-7139-a14c-e06bafbc3a94), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (5.2 km long), in the [Little River Raisin-River Raisin (HUC10 0410000203)](https://ontology.bommaritollc.com/id/01a0de92-1f03-724b-8e7a-08dbc92136f2) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-b71e-7289-864a-ebb6775ee411>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Lenawee County](https://ontology.bommaritollc.com/id/01a0ca47-5a45-7139-a14c-e06bafbc3a94) › [Ogden Township](https://ontology.bommaritollc.com/id/01a0ca47-782a-71ee-a947-2fdc9d585b88)

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

Location: 41.75950, -83.92105 (box -83.92796, 41.73940, -83.92028, 41.77976; west, south, east, north)

- `adms:identifier`: [gnis 627601](https://ontology.bommaritollc.com/id/01a0ddfe-b71e-7289-864a-ebc0d5129386)
- `dcterms:type`: [canal](https://ontology.bommaritollc.com/vocab/geo/gnisCanal)
- `geo:hasDefaultGeometry`: [shape of Hahn Drain](https://ontology.bommaritollc.com/id/01a0de2c-cb0e-7767-8428-b604a3acf940)
- `geo:hasGeometry`:
  - [point of Hahn Drain](https://ontology.bommaritollc.com/id/01a0ddfe-ed4b-770c-ac26-b68f792c7566)
  - [shape of Hahn Drain](https://ontology.bommaritollc.com/id/01a0de2c-cb0e-7767-8428-b604a3acf940)
- `geo:hasMetricLength`: 5177.8 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Little River Raisin-River Raisin (HUC10 0410000203)](https://ontology.bommaritollc.com/id/01a0de92-1f03-724b-8e7a-08dbc92136f2)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-b71e-7289-864a-ebb5411cc9d0)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-4e8e-7505-bb6f-a01decdca82d)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-18f1-71c4-ad28-f456d8d863a7)
- `schema:containedInPlace`:
  - [Lenawee County](https://ontology.bommaritollc.com/id/01a0ca47-5a45-7139-a14c-e06bafbc3a94)
  - [Ogden Township](https://ontology.bommaritollc.com/id/01a0ca47-782a-71ee-a947-2fdc9d585b88)
- `skos:altLabel`: Corbin Drain
- `skos:prefLabel`: Hahn Drain

## Elsewhere

- [Wikidata Q33195406](https://www.wikidata.org/wiki/Q33195406) (proposed match (exactMatch))
- [USGS GNIS 627601](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/627601) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=41.75950&mlon=-83.92105#map=14/41.75950/-83.92105) (41.75950, -83.92105)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=41.75950,-83.92105)
- [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/Q33195406 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-74b3-717c-80dc-cf9414c89b89)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-b71e-7289-864a-ebb6775ee411.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-b71e-7289-864a-ebb6775ee411.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-b71e-7289-864a-ebb6775ee411.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-b71e-7289-864a-ebb6775ee411)
Cite as: Hahn Drain. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-b71e-7289-864a-ebb6775ee411
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.