# Thompson Drain

Thompson Drain is a canal in [Hay Township](https://ontology.bommaritollc.com/id/01a0ca47-71ad-76d2-922d-c21c0ad7a650), [Gladwin County](https://ontology.bommaritollc.com/id/01a0ca47-5c40-7223-8f53-4e1219869f53), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (1.2 km long), in the [Sanford Lake-Tittabawassee River (HUC10 0408020104)](https://ontology.bommaritollc.com/id/01a0de92-1e84-71f6-8228-007550d4f0b8) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-cc20-7703-b625-c9210d1c6db1>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Gladwin County](https://ontology.bommaritollc.com/id/01a0ca47-5c40-7223-8f53-4e1219869f53) › [Hay Township](https://ontology.bommaritollc.com/id/01a0ca47-71ad-76d2-922d-c21c0ad7a650)

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

Location: 43.92558, -84.34806 (box -84.35670, 43.92457, -84.34352, 43.92671; west, south, east, north)

- `adms:identifier`: [gnis 1614768](https://ontology.bommaritollc.com/id/01a0ddfe-cc21-7306-bae2-b47b23eb83d3)
- `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-30d049d6c4d1)
- `geo:hasGeometry`:
  - [point of Thompson Drain](https://ontology.bommaritollc.com/id/01a0ddff-0667-752c-a07f-e6ffaa99df73)
  - [shape of Thompson Drain](https://ontology.bommaritollc.com/id/01a0de2c-d751-7093-8d5c-30d049d6c4d1)
- `geo:hasMetricLength`: 1203.5 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Sanford Lake-Tittabawassee River (HUC10 0408020104)](https://ontology.bommaritollc.com/id/01a0de92-1e84-71f6-8228-007550d4f0b8)
- `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-c9200aaaa6bd)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-5e5c-7331-beb7-2fb10a59b6fd)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-184e-7197-82ac-09f3ba826579)
- `schema:containedInPlace`:
  - [Gladwin County](https://ontology.bommaritollc.com/id/01a0ca47-5c40-7223-8f53-4e1219869f53)
  - [Hay Township](https://ontology.bommaritollc.com/id/01a0ca47-71ad-76d2-922d-c21c0ad7a650)
- `skos:prefLabel`: Thompson Drain

## Elsewhere

- [Wikidata Q33217151](https://www.wikidata.org/wiki/Q33217151) (proposed match (exactMatch))
- [USGS GNIS 1614768](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/1614768) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=43.92558&mlon=-84.34806#map=14/43.92558/-84.34806) (43.92558, -84.34806)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=43.92558,-84.34806)
- [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/Q33217151 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-77d7-74f4-b607-bc13bc82ca88)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-cc20-7703-b625-c9210d1c6db1.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-cc20-7703-b625-c9210d1c6db1.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-cc20-7703-b625-c9210d1c6db1.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-cc20-7703-b625-c9210d1c6db1)
Cite as: Thompson Drain. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-cc20-7703-b625-c9210d1c6db1
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.