# Farnsworth Drain

Farnsworth 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) (2.3 km long), in the [Mill Creek-Frontal Lake Huron (HUC10 0408010402)](https://ontology.bommaritollc.com/id/01a0de92-1e77-7288-af19-a27ccf3790a4) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-b444-74c6-b72f-20b4c3724896>

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: 43.51808, -82.70826 (box -82.71758, 43.51267, -82.70237, 43.52291; west, south, east, north)

- `adms:identifier`: [gnis 625841](https://ontology.bommaritollc.com/id/01a0ddfe-b444-74c6-b72f-20bdf5593d70)
- `dcterms:type`: [canal](https://ontology.bommaritollc.com/vocab/geo/gnisCanal)
- `geo:hasDefaultGeometry`: [shape of Farnsworth Drain](https://ontology.bommaritollc.com/id/01a0de2c-c96e-7361-8115-a3e894f9b6fa)
- `geo:hasGeometry`:
  - [point of Farnsworth Drain](https://ontology.bommaritollc.com/id/01a0ddfe-e813-72f2-a813-40077c762586)
  - [shape of Farnsworth Drain](https://ontology.bommaritollc.com/id/01a0de2c-c96e-7361-8115-a3e894f9b6fa)
- `geo:hasMetricLength`: 2331.4 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Mill Creek-Frontal Lake Huron (HUC10 0408010402)](https://ontology.bommaritollc.com/id/01a0de92-1e77-7288-af19-a27ccf3790a4)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-b444-74c6-b72f-20b36305535c)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-4c20-76d6-9038-bfcf74e36e0c)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-183f-711a-9dd5-9dcaa209b635)
- `schema:containedInPlace`:
  - [Sanilac County](https://ontology.bommaritollc.com/id/01a0ca47-5953-7311-ac48-68da826dd41b)
  - [Bridgehampton Township](https://ontology.bommaritollc.com/id/01a0ca47-604b-7718-8e1f-e4bee81c25fe)
  - [Marion Township](https://ontology.bommaritollc.com/id/01a0ca47-7733-7548-a327-e9c72a777a95)
- `skos:prefLabel`: Farnsworth Drain

## Elsewhere

- [Wikidata Q33192602](https://www.wikidata.org/wiki/Q33192602) (proposed match (exactMatch))
- [USGS GNIS 625841](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/625841) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=43.51808&mlon=-82.70826#map=14/43.51808/-82.70826) (43.51808, -82.70826)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=43.51808,-82.70826)
- [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/Q33192602 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-7485-7742-b5fc-19ae999a052a)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-b444-74c6-b72f-20b4c3724896.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-b444-74c6-b72f-20b4c3724896.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-b444-74c6-b72f-20b4c3724896.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-b444-74c6-b72f-20b4c3724896)
Cite as: Farnsworth Drain. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-b444-74c6-b72f-20b4c3724896
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.