# Shaffer Drain

Shaffer Drain is a canal in [Thetford Township](https://ontology.bommaritollc.com/id/01a0ca47-7b24-71d1-ab64-a66959aa8bdb), [Genesee County](https://ontology.bommaritollc.com/id/01a0ca47-5d2e-7158-b23f-ecc65bfa094f), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (3.6 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-c837-719c-b4eb-422c150d2d18>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Genesee County](https://ontology.bommaritollc.com/id/01a0ca47-5d2e-7158-b23f-ecc65bfa094f) › [Thetford Township](https://ontology.bommaritollc.com/id/01a0ca47-7b24-71d1-ab64-a66959aa8bdb)

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

Location: 43.19197, -83.62857 (box -83.64166, 43.18278, -83.62394, 43.19876; west, south, east, north)

- `adms:identifier`: [gnis 637637](https://ontology.bommaritollc.com/id/01a0ddfe-c837-719c-b4eb-4235a005ab61)
- `dcterms:type`: [canal](https://ontology.bommaritollc.com/vocab/geo/gnisCanal)
- `geo:hasDefaultGeometry`: [shape of Shaffer Drain](https://ontology.bommaritollc.com/id/01a0de2c-d4e7-7642-ae5b-bb4d2ef0b15f)
- `geo:hasGeometry`:
  - [point of Shaffer Drain](https://ontology.bommaritollc.com/id/01a0ddff-02dc-75a1-a1fd-7ad137977411)
  - [shape of Shaffer Drain](https://ontology.bommaritollc.com/id/01a0de2c-d4e7-7642-ae5b-bb4d2ef0b15f)
- `geo:hasMetricLength`: 3640.1 (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-c837-719c-b4eb-422b247271de)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-5b57-716b-abae-692a5329d923)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-188f-7304-9980-4a593721bb15)
- `schema:containedInPlace`:
  - [Genesee County](https://ontology.bommaritollc.com/id/01a0ca47-5d2e-7158-b23f-ecc65bfa094f)
  - [Thetford Township](https://ontology.bommaritollc.com/id/01a0ca47-7b24-71d1-ab64-a66959aa8bdb)
- `skos:prefLabel`: Shaffer Drain

## Elsewhere

- [Wikidata Q33213551](https://www.wikidata.org/wiki/Q33213551) (proposed match (exactMatch))
- [USGS GNIS 637637](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/637637) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=43.19197&mlon=-83.62857#map=14/43.19197/-83.62857) (43.19197, -83.62857)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=43.19197,-83.62857)
- [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/Q33213551 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-770d-73fa-945d-bed1b5f749d1)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-c837-719c-b4eb-422c150d2d18.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-c837-719c-b4eb-422c150d2d18.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-c837-719c-b4eb-422c150d2d18.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-c837-719c-b4eb-422c150d2d18)
Cite as: Shaffer Drain. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-c837-719c-b4eb-422c150d2d18
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.