# Hahn Drain

Hahn Drain is a stream in [Macomb Township](https://ontology.bommaritollc.com/id/01a0ca47-69ac-770f-8546-00e50c0e587e), [Macomb County](https://ontology.bommaritollc.com/id/01a0ca47-5a13-7757-80a2-202aea23905c), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (2.2 km long), in the [North Branch Clinton River (HUC10 0409000303)](https://ontology.bommaritollc.com/id/01a0de92-1edd-77aa-ba90-f57b56b4ff99) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-b71f-76b6-81d9-ab47e0b63041>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Macomb County](https://ontology.bommaritollc.com/id/01a0ca47-5a13-7757-80a2-202aea23905c) › [Macomb Township](https://ontology.bommaritollc.com/id/01a0ca47-69ac-770f-8546-00e50c0e587e)

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

Location: 42.64392, -82.89214 (box -82.89295, 42.64377, -82.87896, 42.65326; west, south, east, north)

- `adms:identifier`: [gnis 627603](https://ontology.bommaritollc.com/id/01a0ddfe-b71f-76b6-81d9-ab4f4903bb8f)
- `dcterms:type`: [stream](https://ontology.bommaritollc.com/vocab/geo/gnisStream)
- `geo:hasDefaultGeometry`: [shape of Hahn Drain](https://ontology.bommaritollc.com/id/01a0de2c-cb0f-756b-a945-1628774baec2)
- `geo:hasGeometry`:
  - [point of Hahn Drain](https://ontology.bommaritollc.com/id/01a0ddfe-ed4c-7519-9145-b80fa0df5615)
  - [shape of Hahn Drain](https://ontology.bommaritollc.com/id/01a0de2c-cb0f-756b-a945-1628774baec2)
- `geo:hasMetricLength`: 2160.0 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [North Branch Clinton River (HUC10 0409000303)](https://ontology.bommaritollc.com/id/01a0de92-1edd-77aa-ba90-f57b56b4ff99)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-b71f-76b6-81d9-ab46825e5c8d)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-4e8f-7492-9071-d623e069ff8d)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-18be-7315-9532-618e5c4275c1)
- `schema:containedInPlace`:
  - [Macomb County](https://ontology.bommaritollc.com/id/01a0ca47-5a13-7757-80a2-202aea23905c)
  - [Macomb Township](https://ontology.bommaritollc.com/id/01a0ca47-69ac-770f-8546-00e50c0e587e)
- `skos:prefLabel`: Hahn Drain

## Elsewhere

- [Wikidata Q34773284](https://www.wikidata.org/wiki/Q34773284) (proposed match (exactMatch))
- [USGS GNIS 627603](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/627603) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.64392&mlon=-82.89214#map=14/42.64392/-82.89214) (42.64392, -82.89214)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.64392,-82.89214)
- [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/Q34773284 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-74b3-717c-80dc-cf98e6fd5149)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-b71f-76b6-81d9-ab47e0b63041.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-b71f-76b6-81d9-ab47e0b63041.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-b71f-76b6-81d9-ab47e0b63041.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-b71f-76b6-81d9-ab47e0b63041)
Cite as: Hahn Drain. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-b71f-76b6-81d9-ab47e0b63041
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.