# Allen Drain

Allen Drain is a canal in [Sigel Township](https://ontology.bommaritollc.com/id/01a0ca47-7a57-753f-b101-ec6e2b11eaa6), [Huron County](https://ontology.bommaritollc.com/id/01a0ca47-5950-7191-8721-77fb1d5c81c2), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (3.9 km long), in the [Elk Creek-Frontal Lake Huron (HUC10 0408010401)](https://ontology.bommaritollc.com/id/01a0de92-1e75-720e-aa46-4199d0288cbd) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-a909-766e-8f31-3b17bf609711>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Huron County](https://ontology.bommaritollc.com/id/01a0ca47-5950-7191-8721-77fb1d5c81c2) › [Sigel Township](https://ontology.bommaritollc.com/id/01a0ca47-7a57-753f-b101-ec6e2b11eaa6)

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

Location: 43.78057, -82.79633 (box -82.81516, 43.78003, -82.76769, 43.78378; west, south, east, north)

- `adms:identifier`: [gnis 619969](https://ontology.bommaritollc.com/id/01a0ddfe-a90a-72dc-bee1-d55ad049febc)
- `dcterms:type`: [canal](https://ontology.bommaritollc.com/vocab/geo/gnisCanal)
- `geo:hasDefaultGeometry`: [shape of Allen Drain](https://ontology.bommaritollc.com/id/01a0de2c-c36b-74f0-a320-0b89485bb09c)
- `geo:hasGeometry`:
  - [point of Allen Drain](https://ontology.bommaritollc.com/id/01a0ddfe-e18f-776c-81f4-73111aacbaa9)
  - [shape of Allen Drain](https://ontology.bommaritollc.com/id/01a0de2c-c36b-74f0-a320-0b89485bb09c)
- `geo:hasMetricLength`: 3896.3 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Elk Creek-Frontal Lake Huron (HUC10 0408010401)](https://ontology.bommaritollc.com/id/01a0de92-1e75-720e-aa46-4199d0288cbd)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-a909-766e-8f31-3b163d9dc891)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-4437-75fa-b079-fde4d50a2597)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-183c-72a4-8588-ece0195de992)
- `schema:containedInPlace`:
  - [Huron County](https://ontology.bommaritollc.com/id/01a0ca47-5950-7191-8721-77fb1d5c81c2)
  - [Sigel Township](https://ontology.bommaritollc.com/id/01a0ca47-7a57-753f-b101-ec6e2b11eaa6)
- `skos:prefLabel`: Allen Drain

## Elsewhere

- [Wikidata Q33176917](https://www.wikidata.org/wiki/Q33176917) (proposed match (exactMatch))
- [USGS GNIS 619969](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/619969) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=43.78057&mlon=-82.79633#map=14/43.78057/-82.79633) (43.78057, -82.79633)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=43.78057,-82.79633)
- [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/Q33176917 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-734d-729a-846e-6c5e4679d39b)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-a909-766e-8f31-3b17bf609711.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-a909-766e-8f31-3b17bf609711.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-a909-766e-8f31-3b17bf609711.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-a909-766e-8f31-3b17bf609711)
Cite as: Allen Drain. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-a909-766e-8f31-3b17bf609711
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.