# Silm Drain

Silm Drain is a canal in [Clinton County](https://ontology.bommaritollc.com/id/01a0ca47-5954-7486-8da7-cf1fa640c49a), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (3.3 km long), in the [Stony Creek (HUC10 0405000504)](https://ontology.bommaritollc.com/id/01a0de92-1d7d-73f6-8773-95585928b9e4) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-c8de-718d-9a43-8760ceeae077>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Clinton County](https://ontology.bommaritollc.com/id/01a0ca47-5954-7486-8da7-cf1fa640c49a)

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

Location: 42.93531, -84.65193 (box -84.65272, 42.92236, -84.64906, 42.94740; west, south, east, north)

- `adms:identifier`: [gnis 637897](https://ontology.bommaritollc.com/id/01a0ddfe-c8de-718d-9a43-87693c092975)
- `dcterms:type`: [canal](https://ontology.bommaritollc.com/vocab/geo/gnisCanal)
- `geo:hasDefaultGeometry`: [shape of Silm Drain](https://ontology.bommaritollc.com/id/01a0de2c-d56a-7633-a902-cc836e991049)
- `geo:hasGeometry`:
  - [point of Silm Drain](https://ontology.bommaritollc.com/id/01a0ddff-0324-7720-96c9-ea6cae6b11ce)
  - [shape of Silm Drain](https://ontology.bommaritollc.com/id/01a0de2c-d56a-7633-a902-cc836e991049)
- `geo:hasMetricLength`: 3292.3 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Stony Creek (HUC10 0405000504)](https://ontology.bommaritollc.com/id/01a0de92-1d7d-73f6-8773-95585928b9e4)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-c8de-718d-9a43-875fcf46038f)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-5bf5-76a5-8cf6-ca48240f64ad)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-1711-7178-8c17-b8648dccd088)
- `schema:containedInPlace`:
  - [Clinton County](https://ontology.bommaritollc.com/id/01a0ca47-5954-7486-8da7-cf1fa640c49a)
  - [Bengal Township](https://ontology.bommaritollc.com/id/01a0ca47-6bbd-7072-97ef-008871068554)
  - [Riley Township](https://ontology.bommaritollc.com/id/01a0ca47-7985-70d1-91ac-54d887189e6f)
- `skos:prefLabel`: Silm Drain

## Elsewhere

- [Wikidata Q33214170](https://www.wikidata.org/wiki/Q33214170) (proposed match (exactMatch))
- [USGS GNIS 637897](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/637897) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.93531&mlon=-84.65193#map=14/42.93531/-84.65193) (42.93531, -84.65193)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.93531,-84.65193)
- [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/Q33214170 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-7713-760b-8b75-e7694c32fbf3)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-c8de-718d-9a43-8760ceeae077.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-c8de-718d-9a43-8760ceeae077.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-c8de-718d-9a43-8760ceeae077.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-c8de-718d-9a43-8760ceeae077)
Cite as: Silm Drain. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-c8de-718d-9a43-8760ceeae077
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.