# Hahn Drain

Hahn Drain is a canal in [Midland County](https://ontology.bommaritollc.com/id/01a0ca47-5950-7191-8721-7807b3482b3d), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (2.2 km long), in the [Tittabawassee River (HUC10 0408020106)](https://ontology.bommaritollc.com/id/01a0de92-1e88-759b-acba-142c5dd339ca) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-b71e-7289-864a-ebc2d5f8f807>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Midland County](https://ontology.bommaritollc.com/id/01a0ca47-5950-7191-8721-7807b3482b3d)

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

Location: 43.66503, -84.27944 (box -84.28173, 43.65640, -84.26853, 43.66938; west, south, east, north)

- `adms:identifier`: [gnis 627602](https://ontology.bommaritollc.com/id/01a0ddfe-b71f-76b6-81d9-ab45b754216f)
- `dcterms:type`: [canal](https://ontology.bommaritollc.com/vocab/geo/gnisCanal)
- `geo:hasDefaultGeometry`: [shape of Hahn Drain](https://ontology.bommaritollc.com/id/01a0de2c-cb0f-756b-a945-16205c4c32bf)
- `geo:hasGeometry`:
  - [point of Hahn Drain](https://ontology.bommaritollc.com/id/01a0ddfe-ed4c-7519-9145-b8091c60e407)
  - [shape of Hahn Drain](https://ontology.bommaritollc.com/id/01a0de2c-cb0f-756b-a945-16205c4c32bf)
- `geo:hasMetricLength`: 2230.8 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Tittabawassee River (HUC10 0408020106)](https://ontology.bommaritollc.com/id/01a0de92-1e88-759b-acba-142c5dd339ca)
- `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-ebc1f93088a2)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-4e8e-7505-bb6f-a024ceff900f)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-1856-7566-8c8e-f48002423fbd)
- `schema:containedInPlace`:
  - [Midland County](https://ontology.bommaritollc.com/id/01a0ca47-5950-7191-8721-7807b3482b3d)
  - [Larkin Charter Township](https://ontology.bommaritollc.com/id/01a0ca47-7667-7296-b231-7d1389ee712c)
  - [Midland](https://ontology.bommaritollc.com/id/01a0ca47-968f-7159-93a8-0890646b138c)
- `skos:prefLabel`: Hahn Drain

## Elsewhere

- [Wikidata Q33195411](https://www.wikidata.org/wiki/Q33195411) (proposed match (exactMatch))
- [USGS GNIS 627602](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/627602) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=43.66503&mlon=-84.27944#map=14/43.66503/-84.27944) (43.66503, -84.27944)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=43.66503,-84.27944)
- [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/Q33195411 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-74b3-717c-80dc-cf964917b2c7)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-b71e-7289-864a-ebc2d5f8f807.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-b71e-7289-864a-ebc2d5f8f807.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-b71e-7289-864a-ebc2d5f8f807.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-b71e-7289-864a-ebc2d5f8f807)
Cite as: Hahn Drain. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-b71e-7289-864a-ebc2d5f8f807
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.