# Sidwell and Mills Drain

Sidwell and Mills Drain is a canal in [Eaton County](https://ontology.bommaritollc.com/id/01a0ca47-5c49-7758-9d39-63fa1d7da090), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (3.2 km long), in the [Spring Brook-Grand River (HUC10 0405000403)](https://ontology.bommaritollc.com/id/01a0de92-1d67-760c-87a2-312c83c39671) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-c8da-72fc-a077-12fc2f791ba7>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Eaton County](https://ontology.bommaritollc.com/id/01a0ca47-5c49-7758-9d39-63fa1d7da090)

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

Location: 42.50504, -84.70387 (box -84.71897, 42.49197, -84.69681, 42.50954; west, south, east, north)

- `adms:identifier`: [gnis 637881](https://ontology.bommaritollc.com/id/01a0ddfe-c8da-72fc-a077-1305eb6f8ab9)
- `dcterms:type`: [canal](https://ontology.bommaritollc.com/vocab/geo/gnisCanal)
- `geo:hasDefaultGeometry`: [shape of Sidwell and Mills Drain](https://ontology.bommaritollc.com/id/01a0de2c-d564-77c5-90cf-1cb0076b45cc)
- `geo:hasGeometry`:
  - [point of Sidwell and Mills Drain](https://ontology.bommaritollc.com/id/01a0ddff-0322-745f-9487-78d56c40503a)
  - [shape of Sidwell and Mills Drain](https://ontology.bommaritollc.com/id/01a0de2c-d564-77c5-90cf-1cb0076b45cc)
- `geo:hasMetricLength`: 3194.6 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Spring Brook-Grand River (HUC10 0405000403)](https://ontology.bommaritollc.com/id/01a0de92-1d67-760c-87a2-312c83c39671)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-c8da-72fc-a077-12fb6046f4ee)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-5bf2-70e9-a300-279c720b106f)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-16f4-720f-8afa-9ad1581a71a8)
- `schema:containedInPlace`:
  - [Eaton County](https://ontology.bommaritollc.com/id/01a0ca47-5c49-7758-9d39-63fa1d7da090)
  - [Eaton Rapids Township](https://ontology.bommaritollc.com/id/01a0ca47-6e76-73cf-a15d-fcfe739aacd8)
  - [Hamlin Township](https://ontology.bommaritollc.com/id/01a0ca47-7142-75bd-8a40-4b2dac986553)
- `skos:prefLabel`: Sidwell and Mills Drain

## Elsewhere

- [Wikidata Q33214116](https://www.wikidata.org/wiki/Q33214116) (proposed match (exactMatch))
- [USGS GNIS 637881](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/637881) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.50504&mlon=-84.70387#map=14/42.50504/-84.70387) (42.50504, -84.70387)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.50504,-84.70387)
- [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/Q33214116 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-7713-760b-8b75-e75f73af7a01)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-c8da-72fc-a077-12fc2f791ba7.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-c8da-72fc-a077-12fc2f791ba7.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-c8da-72fc-a077-12fc2f791ba7.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-c8da-72fc-a077-12fc2f791ba7)
Cite as: Sidwell and Mills Drain. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-c8da-72fc-a077-12fc2f791ba7
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.