# Ahearn Drain

Ahearn Drain is a canal in [Huron County](https://ontology.bommaritollc.com/id/01a0ca47-5950-7191-8721-77fb1d5c81c2), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (5.6 km long), in the [Bird Creek-Frontal Lake Huron (HUC10 0408010304)](https://ontology.bommaritollc.com/id/01a0de92-1e70-7105-8f9b-8929a0bdcab2) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-a8d1-77a0-b06c-7ae2d2553223>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Huron County](https://ontology.bommaritollc.com/id/01a0ca47-5950-7191-8721-77fb1d5c81c2)

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

Location: 44.00279, -83.02189 (box -83.05337, 43.98972, -83.00698, 44.00814; west, south, east, north)

- `adms:identifier`: [gnis 619870](https://ontology.bommaritollc.com/id/01a0ddfe-a8d2-708d-89ad-af9cb07a9e2f)
- `dcterms:type`: [canal](https://ontology.bommaritollc.com/vocab/geo/gnisCanal)
- `geo:hasDefaultGeometry`: [shape of Ahearn Drain](https://ontology.bommaritollc.com/id/01a0de2c-c35b-7373-8f65-9b59aec3092f)
- `geo:hasGeometry`:
  - [point of Ahearn Drain](https://ontology.bommaritollc.com/id/01a0ddfe-e180-71f3-ab1f-729d77ebfdad)
  - [shape of Ahearn Drain](https://ontology.bommaritollc.com/id/01a0de2c-c35b-7373-8f65-9b59aec3092f)
- `geo:hasMetricLength`: 5580.1 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Bird Creek-Frontal Lake Huron (HUC10 0408010304)](https://ontology.bommaritollc.com/id/01a0de92-1e70-7105-8f9b-8929a0bdcab2)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-a8d1-77a0-b06c-7ae13e3eb06f)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-4421-7531-91c7-31c88eae0c89)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-1837-715d-a621-6238ca8b7800)
- `schema:containedInPlace`:
  - [Huron County](https://ontology.bommaritollc.com/id/01a0ca47-5950-7191-8721-77fb1d5c81c2)
  - [Dwight Township](https://ontology.bommaritollc.com/id/01a0ca47-6e58-75e3-b12e-e0caa8d88b74)
  - [Hume Township](https://ontology.bommaritollc.com/id/01a0ca47-7284-7756-87c2-7c1d29dbd00c)
- `skos:prefLabel`: Ahearn Drain

## Elsewhere

- [Wikidata Q33176876](https://www.wikidata.org/wiki/Q33176876) (proposed match (exactMatch))
- [USGS GNIS 619870](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/619870) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=44.00279&mlon=-83.02189#map=14/44.00279/-83.02189) (44.00279, -83.02189)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=44.00279,-83.02189)
- [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/Q33176876 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-734a-7524-9896-cb96b56888a2)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-a8d1-77a0-b06c-7ae2d2553223.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-a8d1-77a0-b06c-7ae2d2553223.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-a8d1-77a0-b06c-7ae2d2553223.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-a8d1-77a0-b06c-7ae2d2553223)
Cite as: Ahearn Drain. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-a8d1-77a0-b06c-7ae2d2553223
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.
