# Koopman Drain

Koopman Drain is a canal in [Dayton Township](https://ontology.bommaritollc.com/id/01a0ca47-686b-77b1-b3e5-71bd499b2685), [Newaygo County](https://ontology.bommaritollc.com/id/01a0ca47-594f-76a5-9e3b-ed2eb9298a15), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa), in the [South Branch White River (HUC10 0406010107)](https://ontology.bommaritollc.com/id/01a0de92-1db5-739c-a56d-275648954bab) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-dda6-70cc-b97d-b8f163bf7c0d>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Newaygo County](https://ontology.bommaritollc.com/id/01a0ca47-594f-76a5-9e3b-ed2eb9298a15) › [Dayton Township](https://ontology.bommaritollc.com/id/01a0ca47-686b-77b1-b3e5-71bd499b2685)

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

Location: 43.52500, -85.95500 (box -85.95500, 43.52500, -85.95500, 43.52500; west, south, east, north)

- `adms:identifier`: [gnis 2106665](https://ontology.bommaritollc.com/id/01a0ddfe-dda7-71a2-878f-d29621ea1989)
- `dcterms:type`: [canal](https://ontology.bommaritollc.com/vocab/geo/gnisCanal)
- `geo:hasDefaultGeometry`: [point of Koopman Drain](https://ontology.bommaritollc.com/id/01a0ddff-1b7a-735c-9c1d-45dee2d62806)
- `geo:hasGeometry`: [point of Koopman Drain](https://ontology.bommaritollc.com/id/01a0ddff-1b7a-735c-9c1d-45dee2d62806)
- **in watershed** (`bcgeo:inWatershed`): [South Branch White River (HUC10 0406010107)](https://ontology.bommaritollc.com/id/01a0de92-1db5-739c-a56d-275648954bab)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-dda6-70cc-b97d-b8f09568cfbe)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-6b68-70dc-81cd-49ed369d417a)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-1752-7420-b78a-8d1bf3765c8f)
- `schema:containedInPlace`:
  - [Newaygo County](https://ontology.bommaritollc.com/id/01a0ca47-594f-76a5-9e3b-ed2eb9298a15)
  - [Dayton Township](https://ontology.bommaritollc.com/id/01a0ca47-686b-77b1-b3e5-71bd499b2685)
- `skos:prefLabel`: Koopman Drain

## Elsewhere

- [Wikidata Q33202808](https://www.wikidata.org/wiki/Q33202808) (proposed match (exactMatch))
- [USGS GNIS 2106665](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/2106665) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=43.52500&mlon=-85.95500#map=14/43.52500/-85.95500) (43.52500, -85.95500)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=43.52500,-85.95500)
- [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/Q33202808 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-7a0a-7035-9cb8-a177651ed43c)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-dda6-70cc-b97d-b8f163bf7c0d.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-dda6-70cc-b97d-b8f163bf7c0d.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-dda6-70cc-b97d-b8f163bf7c0d.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-dda6-70cc-b97d-b8f163bf7c0d)
Cite as: Koopman Drain. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-dda6-70cc-b97d-b8f163bf7c0d
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.