# Riga Drain

Riga 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 [Little River Raisin-River Raisin (HUC10 0410000203)](https://ontology.bommaritollc.com/id/01a0de92-1f03-724b-8e7a-08dbc92136f2) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-c64f-77a5-99a5-93e7bbdd9746>

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: 41.79783, -83.84411 (box -83.84411, 41.79783, -83.84411, 41.79783; west, south, east, north)

- `adms:identifier`: [gnis 635924](https://ontology.bommaritollc.com/id/01a0ddfe-c64f-77a5-99a5-93f0b5ab092c)
- `dcterms:type`: [canal](https://ontology.bommaritollc.com/vocab/geo/gnisCanal)
- `geo:hasDefaultGeometry`: [point of Riga Drain](https://ontology.bommaritollc.com/id/01a0ddff-0051-71bc-9561-7be256bb2255)
- `geo:hasGeometry`: [point of Riga Drain](https://ontology.bommaritollc.com/id/01a0ddff-0051-71bc-9561-7be256bb2255)
- **in watershed** (`bcgeo:inWatershed`): [Little River Raisin-River Raisin (HUC10 0410000203)](https://ontology.bommaritollc.com/id/01a0de92-1f03-724b-8e7a-08dbc92136f2)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-c64f-77a5-99a5-93e6410f0131)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-59c2-7707-83be-d54e3268c658)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-18f1-71c4-ad28-f456d8d863a7)
- `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`: Riga Drain

## Elsewhere

- [Wikidata Q33211467](https://www.wikidata.org/wiki/Q33211467) (proposed match (exactMatch))
- [USGS GNIS 635924](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/635924) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=41.79783&mlon=-83.84411#map=14/41.79783/-83.84411) (41.79783, -83.84411)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=41.79783,-83.84411)
- [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/Q33211467 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-76f0-7214-ac4a-bc8410e44d2d)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-c64f-77a5-99a5-93e7bbdd9746.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-c64f-77a5-99a5-93e7bbdd9746.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-c64f-77a5-99a5-93e7bbdd9746.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-c64f-77a5-99a5-93e7bbdd9746)
Cite as: Riga Drain. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-c64f-77a5-99a5-93e7bbdd9746
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.