# Chalker Drain

Chalker Drain is a canal in [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (5.4 km long), in the [Webb Creek-Shiawassee River (HUC10 0408020302)](https://ontology.bommaritollc.com/id/01a0de92-1e9e-750b-90da-abed60416537) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-af21-7592-a1c4-9bce10501045>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa)

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

Location: 42.96336, -83.94330 (box -83.95917, 42.95616, -83.91498, 42.96760; west, south, east, north)

- `adms:identifier`: [gnis 623043](https://ontology.bommaritollc.com/id/01a0ddfe-af21-7592-a1c4-9bd763b26888)
- `dcterms:type`: [canal](https://ontology.bommaritollc.com/vocab/geo/gnisCanal)
- `geo:hasDefaultGeometry`: [shape of Chalker Drain](https://ontology.bommaritollc.com/id/01a0de2c-c68b-7609-bdc5-f98fe88a0370)
- `geo:hasGeometry`:
  - [point of Chalker Drain](https://ontology.bommaritollc.com/id/01a0ddfe-e470-7680-b839-0083d532922d)
  - [shape of Chalker Drain](https://ontology.bommaritollc.com/id/01a0de2c-c68b-7609-bdc5-f98fe88a0370)
- `geo:hasMetricLength`: 5443.7 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Webb Creek-Shiawassee River (HUC10 0408020302)](https://ontology.bommaritollc.com/id/01a0de92-1e9e-750b-90da-abed60416537)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-af21-7592-a1c4-9bcd1fe4ca6d)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-4896-7318-ba26-93447fc3874f)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-1873-76c7-a996-d13f625297e1)
- `schema:containedInPlace`:
  - [Shiawassee County](https://ontology.bommaritollc.com/id/01a0ca47-5a07-7411-967f-81f4056ba84d)
  - [Genesee County](https://ontology.bommaritollc.com/id/01a0ca47-5d2e-7158-b23f-ecc65bfa094f)
  - [Venice Township](https://ontology.bommaritollc.com/id/01a0ca47-60e7-7482-8fc8-72c8f87364b8)
  - [Clayton Township](https://ontology.bommaritollc.com/id/01a0ca47-6d37-7480-bddf-7272da856072)
- `skos:prefLabel`: Chalker Drain

## Elsewhere

- [Wikidata Q33181343](https://www.wikidata.org/wiki/Q33181343) (proposed match (exactMatch))
- [USGS GNIS 623043](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/623043) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.96336&mlon=-83.94330#map=14/42.96336/-83.94330) (42.96336, -83.94330)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.96336,-83.94330)
- [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/Q33181343 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-73ae-7513-8096-d6fd675a44b2)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-af21-7592-a1c4-9bce10501045.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-af21-7592-a1c4-9bce10501045.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-af21-7592-a1c4-9bce10501045.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-af21-7592-a1c4-9bce10501045)
Cite as: Chalker Drain. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-af21-7592-a1c4-9bce10501045
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.