# Walker Drain

Walker Drain is a canal in [Marlette Township](https://ontology.bommaritollc.com/id/01a0ca47-7735-73c6-a579-17b89ed9f1ac), [Sanilac County](https://ontology.bommaritollc.com/id/01a0ca47-5953-7311-ac48-68da826dd41b), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (2.5 km long), in the [South Branch Cass River (HUC10 0408020501)](https://ontology.bommaritollc.com/id/01a0de92-1eb4-700b-8d2b-c7ca7c0acb03) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-ce09-74f5-af8f-3d9ea39ecc8a>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Sanilac County](https://ontology.bommaritollc.com/id/01a0ca47-5953-7311-ac48-68da826dd41b) › [Marlette Township](https://ontology.bommaritollc.com/id/01a0ca47-7735-73c6-a579-17b89ed9f1ac)

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

Location: 43.36391, -83.02244 (box -83.03797, 43.35884, -83.01564, 43.36575; west, south, east, north)

- `adms:identifier`: [gnis 1615694](https://ontology.bommaritollc.com/id/01a0ddfe-ce09-74f5-af8f-3da6b657a22d)
- `dcterms:type`: [canal](https://ontology.bommaritollc.com/vocab/geo/gnisCanal)
- `geo:hasDefaultGeometry`: [shape of Walker Drain](https://ontology.bommaritollc.com/id/01a0de2c-d886-766c-8024-b6cd2dfbd46c)
- `geo:hasGeometry`:
  - [point of Walker Drain](https://ontology.bommaritollc.com/id/01a0ddff-08f2-720a-ac43-1e028bdb176d)
  - [shape of Walker Drain](https://ontology.bommaritollc.com/id/01a0de2c-d886-766c-8024-b6cd2dfbd46c)
- `geo:hasMetricLength`: 2502.5 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [South Branch Cass River (HUC10 0408020501)](https://ontology.bommaritollc.com/id/01a0de92-1eb4-700b-8d2b-c7ca7c0acb03)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-ce09-74f5-af8f-3d9d280fd0d0)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-5fcd-752e-afb4-07c2df242d21)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-188a-720c-b522-6531344110d8)
- `schema:containedInPlace`:
  - [Sanilac County](https://ontology.bommaritollc.com/id/01a0ca47-5953-7311-ac48-68da826dd41b)
  - [Marlette Township](https://ontology.bommaritollc.com/id/01a0ca47-7735-73c6-a579-17b89ed9f1ac)
- `skos:prefLabel`: Walker Drain

## Elsewhere

- [Wikidata Q33218795](https://www.wikidata.org/wiki/Q33218795) (proposed match (exactMatch))
- [USGS GNIS 1615694](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/1615694) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=43.36391&mlon=-83.02244#map=14/43.36391/-83.02244) (43.36391, -83.02244)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=43.36391,-83.02244)
- [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/Q33218795 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-77f8-75d9-83f8-d7f72c28ad5b)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-ce09-74f5-af8f-3d9ea39ecc8a.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-ce09-74f5-af8f-3d9ea39ecc8a.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-ce09-74f5-af8f-3d9ea39ecc8a.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-ce09-74f5-af8f-3d9ea39ecc8a)
Cite as: Walker Drain. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-ce09-74f5-af8f-3d9ea39ecc8a
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.