# Case Drain

Case Drain is a canal in [Millington Township](https://ontology.bommaritollc.com/id/01a0ca47-7255-73bf-9537-649399169cc2), [Tuscola County](https://ontology.bommaritollc.com/id/01a0ca47-5952-7651-8dce-d12b8ac1963f), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (808 m long), in the [Cass River (HUC10 0408020503)](https://ontology.bommaritollc.com/id/01a0de92-1eb9-710b-8a84-b149458add3c) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-aeca-7050-a060-9b2c1d9e49e6>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Tuscola County](https://ontology.bommaritollc.com/id/01a0ca47-5952-7651-8dce-d12b8ac1963f) › [Millington Township](https://ontology.bommaritollc.com/id/01a0ca47-7255-73bf-9537-649399169cc2)

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

Location: 43.29086, -83.53912 (box -83.54400, 43.28930, -83.53497, 43.29190; west, south, east, north)

- `adms:identifier`: [gnis 622831](https://ontology.bommaritollc.com/id/01a0ddfe-aeca-7050-a060-9b3598180a5b)
- `dcterms:type`: [canal](https://ontology.bommaritollc.com/vocab/geo/gnisCanal)
- `geo:hasDefaultGeometry`: [shape of Case Drain](https://ontology.bommaritollc.com/id/01a0de2c-c664-7530-9bbb-df7a75b32c05)
- `geo:hasGeometry`:
  - [point of Case Drain](https://ontology.bommaritollc.com/id/01a0ddfe-e447-7143-a1e6-3587b94390cf)
  - [shape of Case Drain](https://ontology.bommaritollc.com/id/01a0de2c-c664-7530-9bbb-df7a75b32c05)
- `geo:hasMetricLength`: 808.2 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Cass River (HUC10 0408020503)](https://ontology.bommaritollc.com/id/01a0de92-1eb9-710b-8a84-b149458add3c)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-aeca-7050-a060-9b2b2fa8ecaa)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-4812-7666-b8b4-4cd54e93324b)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-188f-7304-9980-4a593721bb15)
- `schema:containedInPlace`:
  - [Tuscola County](https://ontology.bommaritollc.com/id/01a0ca47-5952-7651-8dce-d12b8ac1963f)
  - [Millington Township](https://ontology.bommaritollc.com/id/01a0ca47-7255-73bf-9537-649399169cc2)
- `skos:prefLabel`: Case Drain

## Elsewhere

- [Wikidata Q33181170](https://www.wikidata.org/wiki/Q33181170) (proposed match (exactMatch))
- [USGS GNIS 622831](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/622831) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=43.29086&mlon=-83.53912#map=14/43.29086/-83.53912) (43.29086, -83.53912)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=43.29086,-83.53912)
- [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/Q33181170 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-73a8-71a9-8707-32f70e9616a4)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-aeca-7050-a060-9b2c1d9e49e6.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-aeca-7050-a060-9b2c1d9e49e6.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-aeca-7050-a060-9b2c1d9e49e6.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-aeca-7050-a060-9b2c1d9e49e6)
Cite as: Case Drain. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-aeca-7050-a060-9b2c1d9e49e6
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.