# Gretton Drain

Gretton Drain is a canal in [Aurelius Township](https://ontology.bommaritollc.com/id/01a0ca47-6b7b-7103-bc3e-f53e9de3c9e7), [Ingham County](https://ontology.bommaritollc.com/id/01a0ca47-5a12-73cd-9d8a-55ff20d50caa), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (1.2 km long), in the [Sebewa Creek-Grand River (HUC10 0405000407)](https://ontology.bommaritollc.com/id/01a0de92-1d71-7010-85c0-519ac996d1da) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-b6d7-7298-8826-437ad644a3fb>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Ingham County](https://ontology.bommaritollc.com/id/01a0ca47-5a12-73cd-9d8a-55ff20d50caa) › [Aurelius Township](https://ontology.bommaritollc.com/id/01a0ca47-6b7b-7103-bc3e-f53e9de3c9e7)

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

Location: 42.56781, -84.53137 (box -84.53869, 42.56776, -84.52429, 42.56830; west, south, east, north)

- `adms:identifier`: [gnis 627416](https://ontology.bommaritollc.com/id/01a0ddfe-b6d8-77d9-9410-8ebd0c60f241)
- `dcterms:type`: [canal](https://ontology.bommaritollc.com/vocab/geo/gnisCanal)
- `geo:hasDefaultGeometry`: [shape of Gretton Drain](https://ontology.bommaritollc.com/id/01a0de2c-cae5-70c6-b9e0-a486158f81c6)
- `geo:hasGeometry`:
  - [point of Gretton Drain](https://ontology.bommaritollc.com/id/01a0ddfe-ed23-7355-ac58-9b06aa98701e)
  - [shape of Gretton Drain](https://ontology.bommaritollc.com/id/01a0de2c-cae5-70c6-b9e0-a486158f81c6)
- `geo:hasMetricLength`: 1185.9 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Sebewa Creek-Grand River (HUC10 0405000407)](https://ontology.bommaritollc.com/id/01a0de92-1d71-7010-85c0-519ac996d1da)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-b6d7-7298-8826-4379a1da1c5c)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-4e0c-75aa-8568-791d19c6af81)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-16ff-713f-a45f-9a5f0496e8d2)
- `schema:containedInPlace`:
  - [Ingham County](https://ontology.bommaritollc.com/id/01a0ca47-5a12-73cd-9d8a-55ff20d50caa)
  - [Aurelius Township](https://ontology.bommaritollc.com/id/01a0ca47-6b7b-7103-bc3e-f53e9de3c9e7)
- `skos:prefLabel`: Gretton Drain

## Elsewhere

- [Wikidata Q33194903](https://www.wikidata.org/wiki/Q33194903) (proposed match (exactMatch))
- [USGS GNIS 627416](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/627416) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.56781&mlon=-84.53137#map=14/42.56781/-84.53137) (42.56781, -84.53137)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.56781,-84.53137)
- [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/Q33194903 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-74ae-7319-a37c-10e7c4b62f08)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-b6d7-7298-8826-437ad644a3fb.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-b6d7-7298-8826-437ad644a3fb.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-b6d7-7298-8826-437ad644a3fb.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-b6d7-7298-8826-437ad644a3fb)
Cite as: Gretton Drain. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-b6d7-7298-8826-437ad644a3fb
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.