# Trombley Drain

Trombley Drain is a canal in [Portsmouth Township](https://ontology.bommaritollc.com/id/01a0ca47-7903-720b-9d5e-a8234de654c9), [Bay County](https://ontology.bommaritollc.com/id/01a0ca47-5951-75ad-83e2-5fa7eb6f5644), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (2.2 km long), in the [Cheboyganing Creek (HUC10 0408020601)](https://ontology.bommaritollc.com/id/01a0de92-1ebe-71b7-a91e-9899501db192) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-ccf8-73a6-b43a-1386116998b6>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Bay County](https://ontology.bommaritollc.com/id/01a0ca47-5951-75ad-83e2-5fa7eb6f5644) › [Portsmouth Township](https://ontology.bommaritollc.com/id/01a0ca47-7903-720b-9d5e-a8234de654c9)

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

Location: 43.53669, -83.85608 (box -83.85685, 43.53646, -83.82901, 43.53662; west, south, east, north)

- `adms:identifier`: [gnis 1615100](https://ontology.bommaritollc.com/id/01a0ddfe-ccf9-712a-a6e1-386d0243cbe6)
- `dcterms:type`: [canal](https://ontology.bommaritollc.com/vocab/geo/gnisCanal)
- `geo:hasDefaultGeometry`: [shape of Trombley Drain](https://ontology.bommaritollc.com/id/01a0de2c-d7a3-712a-a940-1255c8b2fe65)
- `geo:hasGeometry`:
  - [point of Trombley Drain](https://ontology.bommaritollc.com/id/01a0ddff-087b-7785-97bd-ecb6a987c734)
  - [shape of Trombley Drain](https://ontology.bommaritollc.com/id/01a0de2c-d7a3-712a-a940-1255c8b2fe65)
- `geo:hasMetricLength`: 2249.8 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Cheboyganing Creek (HUC10 0408020601)](https://ontology.bommaritollc.com/id/01a0de92-1ebe-71b7-a91e-9899501db192)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-ccf8-73a6-b43a-1385532a2b42)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-5f23-710d-979d-e4ca0ccac2e1)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-1895-7258-b47f-a772f49350fb)
- `schema:containedInPlace`:
  - [Bay County](https://ontology.bommaritollc.com/id/01a0ca47-5951-75ad-83e2-5fa7eb6f5644)
  - [Portsmouth Township](https://ontology.bommaritollc.com/id/01a0ca47-7903-720b-9d5e-a8234de654c9)
- `skos:prefLabel`: Trombley Drain

## Elsewhere

- [Wikidata Q33217753](https://www.wikidata.org/wiki/Q33217753) (proposed match (exactMatch))
- [USGS GNIS 1615100](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/1615100) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=43.53669&mlon=-83.85608#map=14/43.53669/-83.85608) (43.53669, -83.85608)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=43.53669,-83.85608)
- [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/Q33217753 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-77e0-733f-8c3c-ca26dc34b900)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-ccf8-73a6-b43a-1386116998b6.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-ccf8-73a6-b43a-1386116998b6.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-ccf8-73a6-b43a-1386116998b6.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-ccf8-73a6-b43a-1386116998b6)
Cite as: Trombley Drain. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-ccf8-73a6-b43a-1386116998b6
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.