# Ravine Drain

Ravine Drain is a canal in [Riga Township](https://ontology.bommaritollc.com/id/01a0ca47-7984-744e-9e69-2c10d25bdc7f), [Lenawee County](https://ontology.bommaritollc.com/id/01a0ca47-5a45-7139-a14c-e06bafbc3a94), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa), in the [Ottawa River-Frontal Lake Erie (HUC10 0410000103)](https://ontology.bommaritollc.com/id/01a0de92-1ef9-72a0-8073-7071635ccedd) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-c55f-774a-a0ce-ffd42b70c795>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Lenawee County](https://ontology.bommaritollc.com/id/01a0ca47-5a45-7139-a14c-e06bafbc3a94) › [Riga Township](https://ontology.bommaritollc.com/id/01a0ca47-7984-744e-9e69-2c10d25bdc7f)

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

Location: 41.76394, -83.79300 (box -83.79300, 41.76394, -83.79300, 41.76394; west, south, east, north)

- `adms:identifier`: [gnis 635671](https://ontology.bommaritollc.com/id/01a0ddfe-c560-757c-9bac-a4573aaf3395)
- `dcterms:type`: [canal](https://ontology.bommaritollc.com/vocab/geo/gnisCanal)
- `geo:hasDefaultGeometry`: [point of Ravine Drain](https://ontology.bommaritollc.com/id/01a0ddfe-fe69-74d7-ba12-0d3eb96433eb)
- `geo:hasGeometry`: [point of Ravine Drain](https://ontology.bommaritollc.com/id/01a0ddfe-fe69-74d7-ba12-0d3eb96433eb)
- **in watershed** (`bcgeo:inWatershed`): [Ottawa River-Frontal Lake Erie (HUC10 0410000103)](https://ontology.bommaritollc.com/id/01a0de92-1ef9-72a0-8073-7071635ccedd)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-c55f-774a-a0ce-ffd3974b93ea)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-5984-76fe-b236-82f964e427d3)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-18e7-7626-b367-30c68a8f2170)
- `schema:containedInPlace`:
  - [Lenawee County](https://ontology.bommaritollc.com/id/01a0ca47-5a45-7139-a14c-e06bafbc3a94)
  - [Riga Township](https://ontology.bommaritollc.com/id/01a0ca47-7984-744e-9e69-2c10d25bdc7f)
- `skos:prefLabel`: Ravine Drain

## Elsewhere

- [Wikidata Q33210870](https://www.wikidata.org/wiki/Q33210870) (proposed match (exactMatch))
- [USGS GNIS 635671](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/635671) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=41.76394&mlon=-83.79300#map=14/41.76394/-83.79300) (41.76394, -83.79300)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=41.76394,-83.79300)
- [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/Q33210870 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-76eb-7056-810f-074bb684b0d5)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-c55f-774a-a0ce-ffd42b70c795.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-c55f-774a-a0ce-ffd42b70c795.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-c55f-774a-a0ce-ffd42b70c795.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-c55f-774a-a0ce-ffd42b70c795)
Cite as: Ravine Drain. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-c55f-774a-a0ce-ffd42b70c795
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.