# Post Drain

Post Drain is a canal in [Port Sheldon Township](https://ontology.bommaritollc.com/id/01a0ca47-78fb-77df-b43b-07e293807a69), [Ottawa County](https://ontology.bommaritollc.com/id/01a0ca47-5954-7486-8da7-cf2bc9c3e02e), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa), in the [Pigeon River-Frontal Lake Michigan (HUC10 0405000203)](https://ontology.bommaritollc.com/id/01a0de92-1d40-72d8-a523-254131b08cb0) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-c4e4-74b7-b9e4-5200d621a62a>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Ottawa County](https://ontology.bommaritollc.com/id/01a0ca47-5954-7486-8da7-cf2bc9c3e02e) › [Port Sheldon Township](https://ontology.bommaritollc.com/id/01a0ca47-78fb-77df-b43b-07e293807a69)

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

Location: 42.89113, -86.14921 (box -86.14921, 42.89113, -86.14921, 42.89113; west, south, east, north)

- `adms:identifier`: [gnis 635323](https://ontology.bommaritollc.com/id/01a0ddfe-c4e4-74b7-b9e4-52096fb82b8b)
- `dcterms:type`: [canal](https://ontology.bommaritollc.com/vocab/geo/gnisCanal)
- `geo:hasDefaultGeometry`: [point of Post Drain](https://ontology.bommaritollc.com/id/01a0ddfe-fe25-75b9-850a-49f14f8caa12)
- `geo:hasGeometry`: [point of Post Drain](https://ontology.bommaritollc.com/id/01a0ddfe-fe25-75b9-850a-49f14f8caa12)
- **in watershed** (`bcgeo:inWatershed`): [Pigeon River-Frontal Lake Michigan (HUC10 0405000203)](https://ontology.bommaritollc.com/id/01a0de92-1d40-72d8-a523-254131b08cb0)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-c4e4-74b7-b9e4-51ff691a3375)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-5925-7058-bbf7-e921d184b4a9)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-16c2-75ff-b4f6-8dcba96dc4f6)
- `schema:containedInPlace`:
  - [Ottawa County](https://ontology.bommaritollc.com/id/01a0ca47-5954-7486-8da7-cf2bc9c3e02e)
  - [Port Sheldon Township](https://ontology.bommaritollc.com/id/01a0ca47-78fb-77df-b43b-07e293807a69)
- `skos:prefLabel`: Post Drain

## Elsewhere

- [Wikidata Q33210305](https://www.wikidata.org/wiki/Q33210305) (proposed match (exactMatch))
- [USGS GNIS 635323](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/635323) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.89113&mlon=-86.14921#map=14/42.89113/-86.14921) (42.89113, -86.14921)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.89113,-86.14921)
- [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/Q33210305 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-76e2-72df-b0d8-e7beb71377ce)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-c4e4-74b7-b9e4-5200d621a62a.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-c4e4-74b7-b9e4-5200d621a62a.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-c4e4-74b7-b9e4-5200d621a62a.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-c4e4-74b7-b9e4-5200d621a62a)
Cite as: Post Drain. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-c4e4-74b7-b9e4-5200d621a62a
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.