# Schemn Drain

Schemn Drain is a canal in [Denmark Township](https://ontology.bommaritollc.com/id/01a0ca47-6031-76c0-a19f-4b19d7c94ff3), [Tuscola County](https://ontology.bommaritollc.com/id/01a0ca47-5952-7651-8dce-d12b8ac1963f), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa), in the [Sebewaing River-Frontal Lake Huron (HUC10 0408010301)](https://ontology.bommaritollc.com/id/01a0de92-1e6a-773a-9f33-1d21e1a7ea24) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-c7c1-71fe-8ac3-21ef0288e7fb>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Tuscola County](https://ontology.bommaritollc.com/id/01a0ca47-5952-7651-8dce-d12b8ac1963f) › [Denmark Township](https://ontology.bommaritollc.com/id/01a0ca47-6031-76c0-a19f-4b19d7c94ff3)

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

Location: 43.45558, -83.67663 (box -83.67663, 43.45558, -83.67663, 43.45558; west, south, east, north)

- `adms:identifier`: [gnis 637332](https://ontology.bommaritollc.com/id/01a0ddfe-c7c1-71fe-8ac3-21f8ff12096a)
- `dcterms:type`: [canal](https://ontology.bommaritollc.com/vocab/geo/gnisCanal)
- `geo:hasDefaultGeometry`: [point of Schemn Drain](https://ontology.bommaritollc.com/id/01a0ddff-00fc-7185-996b-797baa081559)
- `geo:hasGeometry`: [point of Schemn Drain](https://ontology.bommaritollc.com/id/01a0ddff-00fc-7185-996b-797baa081559)
- **in watershed** (`bcgeo:inWatershed`): [Sebewaing River-Frontal Lake Huron (HUC10 0408010301)](https://ontology.bommaritollc.com/id/01a0de92-1e6a-773a-9f33-1d21e1a7ea24)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-c7c1-71fe-8ac3-21eed71ee166)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-5afd-72c7-bd3a-c124a81d4bc7)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-182e-7716-9d74-ca76033e3abf)
- `schema:containedInPlace`:
  - [Tuscola County](https://ontology.bommaritollc.com/id/01a0ca47-5952-7651-8dce-d12b8ac1963f)
  - [Denmark Township](https://ontology.bommaritollc.com/id/01a0ca47-6031-76c0-a19f-4b19d7c94ff3)
- `skos:prefLabel`: Schemn Drain

## Elsewhere

- [Wikidata Q33212943](https://www.wikidata.org/wiki/Q33212943) (proposed match (exactMatch))
- [USGS GNIS 637332](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/637332) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=43.45558&mlon=-83.67663#map=14/43.45558/-83.67663) (43.45558, -83.67663)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=43.45558,-83.67663)
- [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/Q33212943 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-7707-77bd-a9a7-fd8c03b61982)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-c7c1-71fe-8ac3-21ef0288e7fb.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-c7c1-71fe-8ac3-21ef0288e7fb.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-c7c1-71fe-8ac3-21ef0288e7fb.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-c7c1-71fe-8ac3-21ef0288e7fb)
Cite as: Schemn Drain. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-c7c1-71fe-8ac3-21ef0288e7fb
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.
