# Rochol Extension Drain

Rochol Extension 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) (4.0 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-c675-72f5-bca7-bf8511bf6894>

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: 42.94559, -84.74944 (box -84.76812, 42.93438, -84.73701, 42.95128; west, south, east, north)

- `adms:identifier`: [gnis 636072](https://ontology.bommaritollc.com/id/01a0ddfe-c676-74af-a2c0-de889f6bcec8)
- `dcterms:type`: [canal](https://ontology.bommaritollc.com/vocab/geo/gnisCanal)
- `geo:hasDefaultGeometry`: [shape of Rochol Extension Drain](https://ontology.bommaritollc.com/id/01a0de2c-d402-722c-ab6f-2aa726661f51)
- `geo:hasGeometry`:
  - [point of Rochol Extension Drain](https://ontology.bommaritollc.com/id/01a0ddff-0066-70aa-a352-d893224cb741)
  - [shape of Rochol Extension Drain](https://ontology.bommaritollc.com/id/01a0de2c-d402-722c-ab6f-2aa726661f51)
- `geo:hasMetricLength`: 3961.6 (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-c675-72f5-bca7-bf84f01fdac3)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-59de-7535-8037-02f5ca6cd87d)
  - [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)
  - [Dallas Township](https://ontology.bommaritollc.com/id/01a0ca47-6ddb-7777-87cb-3b3538362c11)
  - [Westphalia Township](https://ontology.bommaritollc.com/id/01a0ca47-7c74-75fd-be2a-e05e1c55fc4a)
- `skos:prefLabel`: Rochol Extension Drain

## Elsewhere

- [Wikidata Q33211797](https://www.wikidata.org/wiki/Q33211797) (proposed match (exactMatch))
- [USGS GNIS 636072](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/636072) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.94559&mlon=-84.74944#map=14/42.94559/-84.74944) (42.94559, -84.74944)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.94559,-84.74944)
- [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/Q33211797 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-76f2-735d-9601-9e6541afbe57)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-c675-72f5-bca7-bf8511bf6894.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-c675-72f5-bca7-bf8511bf6894.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-c675-72f5-bca7-bf8511bf6894.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-c675-72f5-bca7-bf8511bf6894)
Cite as: Rochol Extension Drain. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-c675-72f5-bca7-bf8511bf6894
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.