# Flannigan Drain

Flannigan 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) (2.4 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-b4b2-7231-b9e8-dd4bb88ae241>

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: 43.52307, -82.75466 (box -82.76791, 43.51781, -82.74522, 43.52440; west, south, east, north)

- `adms:identifier`: [gnis 626138](https://ontology.bommaritollc.com/id/01a0ddfe-b4b2-7231-b9e8-dd548d0d40f6)
- `dcterms:type`: [canal](https://ontology.bommaritollc.com/vocab/geo/gnisCanal)
- `geo:hasDefaultGeometry`: [shape of Flannigan Drain](https://ontology.bommaritollc.com/id/01a0de2c-c9ad-7419-81f4-9edba901f2be)
- `geo:hasGeometry`:
  - [point of Flannigan Drain](https://ontology.bommaritollc.com/id/01a0ddfe-ea1c-76c6-b400-89698fbcf78b)
  - [shape of Flannigan Drain](https://ontology.bommaritollc.com/id/01a0de2c-c9ad-7419-81f4-9edba901f2be)
- `geo:hasMetricLength`: 2374.9 (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-b4b2-7231-b9e8-dd4aad18d44b)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-4c76-701c-b0b2-d0dc552999d5)
  - [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)
  - [Marion Township](https://ontology.bommaritollc.com/id/01a0ca47-7733-7548-a327-e9c72a777a95)
  - [Wheatland Township](https://ontology.bommaritollc.com/id/01a0ca47-7c7e-72cb-9240-fbf4185eedd6)
  - [Deckerville](https://ontology.bommaritollc.com/id/01a0ca47-aafe-73a9-860f-cb1195d52a18)
- `skos:prefLabel`: Flannigan Drain

## Elsewhere

- [Wikidata Q33192951](https://www.wikidata.org/wiki/Q33192951) (proposed match (exactMatch))
- [USGS GNIS 626138](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/626138) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=43.52307&mlon=-82.75466#map=14/43.52307/-82.75466) (43.52307, -82.75466)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=43.52307,-82.75466)
- [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/Q33192951 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-748d-74b1-bb2a-db435ca020e5)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-b4b2-7231-b9e8-dd4bb88ae241.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-b4b2-7231-b9e8-dd4bb88ae241.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-b4b2-7231-b9e8-dd4bb88ae241.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-b4b2-7231-b9e8-dd4bb88ae241)
Cite as: Flannigan Drain. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-b4b2-7231-b9e8-dd4bb88ae241
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.