# Lamka Drain

Lamka 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) (3.3 km long), in the [South Branch Cass River (HUC10 0408020501)](https://ontology.bommaritollc.com/id/01a0de92-1eb4-700b-8d2b-c7ca7c0acb03) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-bb2f-7764-a3af-a4e07399edb8>

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: 43.67363, -82.88411 (box -82.89103, 43.66603, -82.87079, 43.68298; west, south, east, north)

- `adms:identifier`: [gnis 630103](https://ontology.bommaritollc.com/id/01a0ddfe-bb30-74bc-87ce-2a229df1ce45)
- `dcterms:type`: [canal](https://ontology.bommaritollc.com/vocab/geo/gnisCanal)
- `geo:hasDefaultGeometry`: [shape of Lamka Drain](https://ontology.bommaritollc.com/id/01a0de2c-cd96-744f-b7e6-27835e49403b)
- `geo:hasGeometry`:
  - [point of Lamka Drain](https://ontology.bommaritollc.com/id/01a0ddfe-f290-72de-9f85-01c7ea46594a)
  - [shape of Lamka Drain](https://ontology.bommaritollc.com/id/01a0de2c-cd96-744f-b7e6-27835e49403b)
- `geo:hasMetricLength`: 3336.5 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [South Branch Cass River (HUC10 0408020501)](https://ontology.bommaritollc.com/id/01a0de92-1eb4-700b-8d2b-c7ca7c0acb03)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-bb2f-7764-a3af-a4dfbe0c0709)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-51b5-71b2-8ff4-93d74d728e39)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-188a-720c-b522-6531344110d8)
- `schema:containedInPlace`:
  - [Sanilac County](https://ontology.bommaritollc.com/id/01a0ca47-5953-7311-ac48-68da826dd41b)
  - [Austin Township](https://ontology.bommaritollc.com/id/01a0ca47-6b7f-7376-b21c-6a28464be44d)
  - [Minden Township](https://ontology.bommaritollc.com/id/01a0ca47-8704-71b3-9959-42b43ae94fd4)
- `skos:prefLabel`: Lamka Drain

## Elsewhere

- [Wikidata Q33203218](https://www.wikidata.org/wiki/Q33203218) (proposed match (exactMatch))
- [USGS GNIS 630103](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/630103) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=43.67363&mlon=-82.88411#map=14/43.67363/-82.88411) (43.67363, -82.88411)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=43.67363,-82.88411)
- [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/Q33203218 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-75ca-75d6-9bc3-977a13efbd9c)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-bb2f-7764-a3af-a4e07399edb8.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-bb2f-7764-a3af-a4e07399edb8.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-bb2f-7764-a3af-a4e07399edb8.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-bb2f-7764-a3af-a4e07399edb8)
Cite as: Lamka Drain. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-bb2f-7764-a3af-a4e07399edb8
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.