# Rockwell Drain

Rockwell Drain is a canal in [North Branch Township](https://ontology.bommaritollc.com/id/01a0ca47-7800-7784-ac6f-955732aa52eb), [Lapeer County](https://ontology.bommaritollc.com/id/01a0ca47-5a07-7411-967f-81e8eda85369), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (10.2 km long), in the [North Branch Flint River (HUC10 0408020402)](https://ontology.bommaritollc.com/id/01a0de92-1ea8-7153-8a1e-c145a78e874f) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-c67c-7048-a9cf-ac8b7323761e>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Lapeer County](https://ontology.bommaritollc.com/id/01a0ca47-5a07-7411-967f-81e8eda85369) › [North Branch Township](https://ontology.bommaritollc.com/id/01a0ca47-7800-7784-ac6f-955732aa52eb)

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

Location: 43.17975, -83.17467 (box -83.19537, 43.16016, -83.14417, 43.21435; west, south, east, north)

- `adms:identifier`: [gnis 636092](https://ontology.bommaritollc.com/id/01a0ddfe-c67d-7666-ba2a-6523f3ed7285)
- `dcterms:type`: [canal](https://ontology.bommaritollc.com/vocab/geo/gnisCanal)
- `geo:hasDefaultGeometry`: [shape of Rockwell Drain](https://ontology.bommaritollc.com/id/01a0de2c-d406-774d-a4f4-228a5dca1655)
- `geo:hasGeometry`:
  - [point of Rockwell Drain](https://ontology.bommaritollc.com/id/01a0ddff-006a-70eb-a950-99c4c8b59405)
  - [shape of Rockwell Drain](https://ontology.bommaritollc.com/id/01a0de2c-d406-774d-a4f4-228a5dca1655)
- `geo:hasMetricLength`: 10177.0 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [North Branch Flint River (HUC10 0408020402)](https://ontology.bommaritollc.com/id/01a0de92-1ea8-7153-8a1e-c145a78e874f)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-c67c-7048-a9cf-ac8af08cbc99)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-59e3-7629-976e-6ac6f8916d74)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-187e-77d5-9b84-f719202bb1b2)
- `schema:containedInPlace`:
  - [Lapeer County](https://ontology.bommaritollc.com/id/01a0ca47-5a07-7411-967f-81e8eda85369)
  - [North Branch Township](https://ontology.bommaritollc.com/id/01a0ca47-7800-7784-ac6f-955732aa52eb)
- `skos:prefLabel`: Rockwell Drain

## Elsewhere

- [Wikidata Q33211820](https://www.wikidata.org/wiki/Q33211820) (proposed match (exactMatch))
- [USGS GNIS 636092](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/636092) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=43.17975&mlon=-83.17467#map=14/43.17975/-83.17467) (43.17975, -83.17467)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=43.17975,-83.17467)
- [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/Q33211820 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-76f3-755e-be21-f59df2946b4c)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-c67c-7048-a9cf-ac8b7323761e.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-c67c-7048-a9cf-ac8b7323761e.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-c67c-7048-a9cf-ac8b7323761e.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-c67c-7048-a9cf-ac8b7323761e)
Cite as: Rockwell Drain. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-c67c-7048-a9cf-ac8b7323761e
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.