# Thompson Drain

Thompson Drain is a canal in [Huron County](https://ontology.bommaritollc.com/id/01a0ca47-5950-7191-8721-77fb1d5c81c2), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (7.6 km long), in the [Pigeon River (HUC10 0408010302)](https://ontology.bommaritollc.com/id/01a0de92-1e6c-7569-b6aa-092196864a47) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-cc20-7703-b625-c9174f41bdd4>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Huron County](https://ontology.bommaritollc.com/id/01a0ca47-5950-7191-8721-77fb1d5c81c2)

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

Location: 43.92001, -83.18301 (box -83.20375, 43.89636, -83.16299, 43.93591; west, south, east, north)

- `adms:identifier`: [gnis 1614767](https://ontology.bommaritollc.com/id/01a0ddfe-cc20-7703-b625-c91f2a280cc3)
- `dcterms:type`: [canal](https://ontology.bommaritollc.com/vocab/geo/gnisCanal)
- `geo:hasDefaultGeometry`: [shape of Thompson Drain](https://ontology.bommaritollc.com/id/01a0de2c-d751-7093-8d5c-30c869de65f7)
- `geo:hasGeometry`:
  - [point of Thompson Drain](https://ontology.bommaritollc.com/id/01a0ddff-0666-72c6-9858-df66fe1849f4)
  - [shape of Thompson Drain](https://ontology.bommaritollc.com/id/01a0de2c-d751-7093-8d5c-30c869de65f7)
- `geo:hasMetricLength`: 7627.0 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Pigeon River (HUC10 0408010302)](https://ontology.bommaritollc.com/id/01a0de92-1e6c-7569-b6aa-092196864a47)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-cc20-7703-b625-c916292db587)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-5e5b-74f2-aa22-2ab48bdfc13a)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-1832-762e-9857-133588733bfb)
- `schema:containedInPlace`:
  - [Huron County](https://ontology.bommaritollc.com/id/01a0ca47-5950-7191-8721-77fb1d5c81c2)
  - [Chandler Township](https://ontology.bommaritollc.com/id/01a0ca47-6d03-7245-bcf0-195d827b0900)
  - [Lake Township](https://ontology.bommaritollc.com/id/01a0ca47-7620-718f-ab17-c46013dc5ac1)
- `skos:prefLabel`: Thompson Drain

## Elsewhere

- [Wikidata Q33217159](https://www.wikidata.org/wiki/Q33217159) (proposed match (exactMatch))
- [USGS GNIS 1614767](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/1614767) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=43.92001&mlon=-83.18301#map=14/43.92001/-83.18301) (43.92001, -83.18301)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=43.92001,-83.18301)
- [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/Q33217159 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-77d7-74f4-b607-bc11a4d2f993)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-cc20-7703-b625-c9174f41bdd4.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-cc20-7703-b625-c9174f41bdd4.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-cc20-7703-b625-c9174f41bdd4.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-cc20-7703-b625-c9174f41bdd4)
Cite as: Thompson Drain. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-cc20-7703-b625-c9174f41bdd4
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.