# Blackwell Drain

Blackwell Drain is a canal in [Sherwood Township](https://ontology.bommaritollc.com/id/01a0ca47-7a4d-7454-8b73-383291b639bc), [Branch County](https://ontology.bommaritollc.com/id/01a0ca47-5a46-7564-a1ca-980f16f909b8), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa), in the [Swan Creek-Saint Joseph River (HUC10 0405000104)](https://ontology.bommaritollc.com/id/01a0de92-1d11-725f-93de-58e11ff1c7ed) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-ddd1-720a-9c95-546bf0f244f6>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Branch County](https://ontology.bommaritollc.com/id/01a0ca47-5a46-7564-a1ca-980f16f909b8) › [Sherwood Township](https://ontology.bommaritollc.com/id/01a0ca47-7a4d-7454-8b73-383291b639bc)

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

Location: 42.02167, -85.18889 (box -85.18889, 42.02167, -85.18889, 42.02167; west, south, east, north)

- `adms:identifier`: [gnis 2109263](https://ontology.bommaritollc.com/id/01a0ddfe-ddd2-713f-8335-405dc9ba5bca)
- `dcterms:type`: [canal](https://ontology.bommaritollc.com/vocab/geo/gnisCanal)
- `geo:hasDefaultGeometry`: [point of Blackwell Drain](https://ontology.bommaritollc.com/id/01a0ddff-1b8f-737f-aee4-c8d0fe970fac)
- `geo:hasGeometry`: [point of Blackwell Drain](https://ontology.bommaritollc.com/id/01a0ddff-1b8f-737f-aee4-c8d0fe970fac)
- **in watershed** (`bcgeo:inWatershed`): [Swan Creek-Saint Joseph River (HUC10 0405000104)](https://ontology.bommaritollc.com/id/01a0de92-1d11-725f-93de-58e11ff1c7ed)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-ddd1-720a-9c95-546ad915a315)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-6b7e-724d-8136-45194d427fc6)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-1685-7112-875f-bf988d2dfc6c)
- `schema:containedInPlace`:
  - [Branch County](https://ontology.bommaritollc.com/id/01a0ca47-5a46-7564-a1ca-980f16f909b8)
  - [Sherwood Township](https://ontology.bommaritollc.com/id/01a0ca47-7a4d-7454-8b73-383291b639bc)
- `skos:prefLabel`: Blackwell Drain

## Elsewhere

- [Wikidata Q33177987](https://www.wikidata.org/wiki/Q33177987) (proposed match (exactMatch))
- [USGS GNIS 2109263](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/2109263) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.02167&mlon=-85.18889#map=14/42.02167/-85.18889) (42.02167, -85.18889)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.02167,-85.18889)
- [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/Q33177987 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-7a0d-768b-ac2a-76e97961ed26)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-ddd1-720a-9c95-546bf0f244f6.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-ddd1-720a-9c95-546bf0f244f6.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-ddd1-720a-9c95-546bf0f244f6.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-ddd1-720a-9c95-546bf0f244f6)
Cite as: Blackwell Drain. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-ddd1-720a-9c95-546bf0f244f6
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.