# Gilna Drain

Gilna Drain is a canal in [Caledonia Township](https://ontology.bommaritollc.com/id/01a0ca47-6cb5-7063-894b-656d9225bdf1), [Shiawassee County](https://ontology.bommaritollc.com/id/01a0ca47-5a07-7411-967f-81f4056ba84d), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (2.4 km long), in the [Flint River (HUC10 0408020405)](https://ontology.bommaritollc.com/id/01a0de92-1eb0-75b7-bfca-f2ae2d1b93df) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-b5c9-745f-af5c-8ab968644739>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Shiawassee County](https://ontology.bommaritollc.com/id/01a0ca47-5a07-7411-967f-81f4056ba84d) › [Caledonia Township](https://ontology.bommaritollc.com/id/01a0ca47-6cb5-7063-894b-656d9225bdf1)

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

Location: 42.99058, -84.05941 (box -84.06786, 42.98490, -84.05373, 42.99721; west, south, east, north)

- `adms:identifier`: [gnis 626838](https://ontology.bommaritollc.com/id/01a0ddfe-b5ca-72a3-b5c5-444367323f8b)
- `dcterms:type`: [canal](https://ontology.bommaritollc.com/vocab/geo/gnisCanal)
- `geo:hasDefaultGeometry`: [shape of Gilna Drain](https://ontology.bommaritollc.com/id/01a0de2c-ca7a-7262-a150-574b5d6627a0)
- `geo:hasGeometry`:
  - [point of Gilna Drain](https://ontology.bommaritollc.com/id/01a0ddfe-ea96-7686-983b-05bda29ac2fd)
  - [shape of Gilna Drain](https://ontology.bommaritollc.com/id/01a0de2c-ca7a-7262-a150-574b5d6627a0)
- `geo:hasMetricLength`: 2390.3 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Flint River (HUC10 0408020405)](https://ontology.bommaritollc.com/id/01a0de92-1eb0-75b7-bfca-f2ae2d1b93df)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-b5c9-745f-af5c-8ab8f75a4037)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-4d7b-71ca-8b94-b776d48d9fd6)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-1885-7763-86c0-7148a2d1a706)
- `schema:containedInPlace`:
  - [Shiawassee County](https://ontology.bommaritollc.com/id/01a0ca47-5a07-7411-967f-81f4056ba84d)
  - [Caledonia Township](https://ontology.bommaritollc.com/id/01a0ca47-6cb5-7063-894b-656d9225bdf1)
- `skos:prefLabel`: Gilna Drain

## Elsewhere

- [Wikidata Q33194281](https://www.wikidata.org/wiki/Q33194281) (proposed match (exactMatch))
- [USGS GNIS 626838](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/626838) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.99058&mlon=-84.05941#map=14/42.99058/-84.05941) (42.99058, -84.05941)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.99058,-84.05941)
- [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/Q33194281 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-749e-7053-aab4-e59e1e4f9c55)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-b5c9-745f-af5c-8ab968644739.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-b5c9-745f-af5c-8ab968644739.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-b5c9-745f-af5c-8ab968644739.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-b5c9-745f-af5c-8ab968644739)
Cite as: Gilna Drain. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-b5c9-745f-af5c-8ab968644739
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.