# Black Drain

Black Drain is a canal in [Sanilac County](https://ontology.bommaritollc.com/id/01a0ca47-5953-7311-ac48-68da826dd41b), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (3.1 km long), in the [Elk Creek-Black River (HUC10 0409000101)](https://ontology.bommaritollc.com/id/01a0de92-1ec5-7182-8a6e-d07a8f3e4802) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-ac59-71d8-8b41-d86d81a78fc4>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Sanilac County](https://ontology.bommaritollc.com/id/01a0ca47-5953-7311-ac48-68da826dd41b)

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

Location: 43.41391, -82.80466 (box -82.82451, 43.40890, -82.80472, 43.42209; west, south, east, north)

- `adms:identifier`: [gnis 621501](https://ontology.bommaritollc.com/id/01a0ddfe-ac5a-706e-880d-cba6ee3d2a83)
- `dcterms:type`: [canal](https://ontology.bommaritollc.com/vocab/geo/gnisCanal)
- `geo:hasDefaultGeometry`: [shape of Black Drain](https://ontology.bommaritollc.com/id/01a0de2c-c4fa-708d-a7b5-e10a9a77ab12)
- `geo:hasGeometry`:
  - [point of Black Drain](https://ontology.bommaritollc.com/id/01a0ddfe-e2f4-7254-a2c2-cd57d8fad4d8)
  - [shape of Black Drain](https://ontology.bommaritollc.com/id/01a0de2c-c4fa-708d-a7b5-e10a9a77ab12)
- `geo:hasMetricLength`: 3097.0 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Elk Creek-Black River (HUC10 0409000101)](https://ontology.bommaritollc.com/id/01a0de92-1ec5-7182-8a6e-d07a8f3e4802)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-ac59-71d8-8b41-d86c566984a6)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-463b-711f-9320-884a4eadcf04)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-18a1-7476-9a58-4e485664969e)
- `schema:containedInPlace`:
  - [Sanilac County](https://ontology.bommaritollc.com/id/01a0ca47-5953-7311-ac48-68da826dd41b)
  - [Watertown Township](https://ontology.bommaritollc.com/id/01a0ca47-6078-7758-859e-1e807ad64c24)
  - [Custer Township](https://ontology.bommaritollc.com/id/01a0ca47-6dd7-732e-b6ff-345efefcbed3)
  - [Sandusky](https://ontology.bommaritollc.com/id/01a0ca47-9f15-71cd-a397-0236d1e1d658)
- `skos:prefLabel`: Black Drain

## Elsewhere

- [Wikidata Q33177973](https://www.wikidata.org/wiki/Q33177973) (proposed match (exactMatch))
- [USGS GNIS 621501](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/621501) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=43.41391&mlon=-82.80466#map=14/43.41391/-82.80466) (43.41391, -82.80466)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=43.41391,-82.80466)
- [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/Q33177973 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-7386-769f-9073-6c42add1456f)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-ac59-71d8-8b41-d86d81a78fc4.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-ac59-71d8-8b41-d86d81a78fc4.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-ac59-71d8-8b41-d86d81a78fc4.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-ac59-71d8-8b41-d86d81a78fc4)
Cite as: Black Drain. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-ac59-71d8-8b41-d86d81a78fc4
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.