# Thornapple and Old Maid Drain

Thornapple and Old Maid Drain is a canal in [Windsor Charter Township](https://ontology.bommaritollc.com/id/01a0ca47-7cac-7505-9b16-3d3f72fb8c03), [Eaton County](https://ontology.bommaritollc.com/id/01a0ca47-5c49-7758-9d39-63fa1d7da090), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa), in the [Upper Thornapple River (HUC10 0405000701)](https://ontology.bommaritollc.com/id/01a0de92-1d98-77d6-bdd6-1bafb67c9944) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-cc2a-70d6-b957-dcb13071c918>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Eaton County](https://ontology.bommaritollc.com/id/01a0ca47-5c49-7758-9d39-63fa1d7da090) › [Windsor Charter Township](https://ontology.bommaritollc.com/id/01a0ca47-7cac-7505-9b16-3d3f72fb8c03)

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

Location: 42.67615, -84.70693 (box -84.70693, 42.67615, -84.70693, 42.67615; west, south, east, north)

- `adms:identifier`: [gnis 1614791](https://ontology.bommaritollc.com/id/01a0ddfe-cc2b-70cb-b4a8-e96b26875098)
- `dcterms:type`: [canal](https://ontology.bommaritollc.com/vocab/geo/gnisCanal)
- `geo:hasDefaultGeometry`: [point of Thornapple and Old Maid Drain](https://ontology.bommaritollc.com/id/01a0ddff-066c-745d-a3a4-5c5bc9382a01)
- `geo:hasGeometry`: [point of Thornapple and Old Maid Drain](https://ontology.bommaritollc.com/id/01a0ddff-066c-745d-a3a4-5c5bc9382a01)
- **in watershed** (`bcgeo:inWatershed`): [Upper Thornapple River (HUC10 0405000701)](https://ontology.bommaritollc.com/id/01a0de92-1d98-77d6-bdd6-1bafb67c9944)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-cc2a-70d6-b957-dcb0d63bbe07)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-5e64-76f1-9b7b-091dd32a22cd)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-1734-7363-92d0-8b77bfa2f254)
- `schema:containedInPlace`:
  - [Eaton County](https://ontology.bommaritollc.com/id/01a0ca47-5c49-7758-9d39-63fa1d7da090)
  - [Windsor Charter Township](https://ontology.bommaritollc.com/id/01a0ca47-7cac-7505-9b16-3d3f72fb8c03)
- `skos:prefLabel`: Thornapple and Old Maid Drain

## Elsewhere

- [Wikidata Q33217191](https://www.wikidata.org/wiki/Q33217191) (proposed match (exactMatch))
- [USGS GNIS 1614791](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/1614791) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.67615&mlon=-84.70693#map=14/42.67615/-84.70693) (42.67615, -84.70693)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.67615,-84.70693)
- [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/Q33217191 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-77d8-72a5-9fb7-e03366447857)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-cc2a-70d6-b957-dcb13071c918.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-cc2a-70d6-b957-dcb13071c918.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-cc2a-70d6-b957-dcb13071c918.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-cc2a-70d6-b957-dcb13071c918)
Cite as: Thornapple and Old Maid Drain. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-cc2a-70d6-b957-dcb13071c918
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.