# Calkins Drain

Calkins Drain is a canal in [Arbela Township](https://ontology.bommaritollc.com/id/01a0ca47-6b60-7261-827b-3844093c0a19), [Tuscola County](https://ontology.bommaritollc.com/id/01a0ca47-5952-7651-8dce-d12b8ac1963f), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (5.9 km long), in the [Cass River (HUC10 0408020503)](https://ontology.bommaritollc.com/id/01a0de92-1eb9-710b-8a84-b149458add3c) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-ae24-7221-b338-bcd64c923bfa>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Tuscola County](https://ontology.bommaritollc.com/id/01a0ca47-5952-7651-8dce-d12b8ac1963f) › [Arbela Township](https://ontology.bommaritollc.com/id/01a0ca47-6b60-7261-827b-3844093c0a19)

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

Location: 43.27391, -83.65274 (box -83.66834, 43.24772, -83.64905, 43.29231; west, south, east, north)

- `adms:identifier`: [gnis 622461](https://ontology.bommaritollc.com/id/01a0ddfe-ae24-7221-b338-bcdf554ccd23)
- `dcterms:type`: [canal](https://ontology.bommaritollc.com/vocab/geo/gnisCanal)
- `geo:hasDefaultGeometry`: [shape of Calkins Drain](https://ontology.bommaritollc.com/id/01a0de2c-c628-755e-8700-7d84678f38c2)
- `geo:hasGeometry`:
  - [point of Calkins Drain](https://ontology.bommaritollc.com/id/01a0ddfe-e410-77ca-b8e6-53a6731494fc)
  - [shape of Calkins Drain](https://ontology.bommaritollc.com/id/01a0de2c-c628-755e-8700-7d84678f38c2)
- `geo:hasMetricLength`: 5888.3 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Cass River (HUC10 0408020503)](https://ontology.bommaritollc.com/id/01a0de92-1eb9-710b-8a84-b149458add3c)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-ae24-7221-b338-bcd5f21b7a6f)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-47c6-7056-9264-a1bb6980a946)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-188f-7304-9980-4a593721bb15)
- `schema:containedInPlace`:
  - [Tuscola County](https://ontology.bommaritollc.com/id/01a0ca47-5952-7651-8dce-d12b8ac1963f)
  - [Arbela Township](https://ontology.bommaritollc.com/id/01a0ca47-6b60-7261-827b-3844093c0a19)
- `skos:prefLabel`: Calkins Drain

## Elsewhere

- [Wikidata Q33179585](https://www.wikidata.org/wiki/Q33179585) (proposed match (exactMatch))
- [USGS GNIS 622461](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/622461) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=43.27391&mlon=-83.65274#map=14/43.27391/-83.65274) (43.27391, -83.65274)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=43.27391,-83.65274)
- [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/Q33179585 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-73a2-7020-8437-d38f01d0922f)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-ae24-7221-b338-bcd64c923bfa.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-ae24-7221-b338-bcd64c923bfa.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-ae24-7221-b338-bcd64c923bfa.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-ae24-7221-b338-bcd64c923bfa)
Cite as: Calkins Drain. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-ae24-7221-b338-bcd64c923bfa
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.