# State Ditch

State Ditch is a canal in [Iosco County](https://ontology.bommaritollc.com/id/01a0ca47-5f6f-7423-ace2-d6fa47089eca), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (3.4 km long), in the [Au Sable River (HUC10 0407000707)](https://ontology.bommaritollc.com/id/01a0de92-1e4c-76a8-8d59-4a9de4f767ce) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-ca98-72f2-a6a7-07b8d6f000d0>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Iosco County](https://ontology.bommaritollc.com/id/01a0ca47-5f6f-7423-ace2-d6fa47089eca)

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

Location: 44.40252, -83.38191 (box -83.40541, 44.40193, -83.36775, 44.40675; west, south, east, north)

- `adms:identifier`: [gnis 638758](https://ontology.bommaritollc.com/id/01a0ddfe-ca99-73b4-9400-e083ee168619)
- `dcterms:type`: [canal](https://ontology.bommaritollc.com/vocab/geo/gnisCanal)
- `geo:hasDefaultGeometry`: [shape of State Ditch](https://ontology.bommaritollc.com/id/01a0de2c-d64b-77cc-88cf-4ce4c116616e)
- `geo:hasGeometry`:
  - [point of State Ditch](https://ontology.bommaritollc.com/id/01a0ddff-05b5-7488-9e96-72241541046f)
  - [shape of State Ditch](https://ontology.bommaritollc.com/id/01a0de2c-d64b-77cc-88cf-4ce4c116616e)
- `geo:hasMetricLength`: 3379.0 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Au Sable River (HUC10 0407000707)](https://ontology.bommaritollc.com/id/01a0de92-1e4c-76a8-8d59-4a9de4f767ce)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-ca98-72f2-a6a7-07b7441d2bb3)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-5d6c-76cd-9a16-0b184ab06350)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-180f-74b3-80dc-a94bffb098d0)
- `schema:containedInPlace`:
  - [Iosco County](https://ontology.bommaritollc.com/id/01a0ca47-5f6f-7423-ace2-d6fa47089eca)
  - [Au Sable Township](https://ontology.bommaritollc.com/id/01a0ca47-6b75-77af-a1a7-f6a30a2f56ab)
  - [Wilber Township](https://ontology.bommaritollc.com/id/01a0ca47-7cab-7631-9278-09bcfed68f1d)
- `skos:prefLabel`: State Ditch

## Elsewhere

- [Wikidata Q33215465](https://www.wikidata.org/wiki/Q33215465) (proposed match (exactMatch))
- [USGS GNIS 638758](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/638758) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=44.40252&mlon=-83.38191#map=14/44.40252/-83.38191) (44.40252, -83.38191)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=44.40252,-83.38191)
- [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/Q33215465 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-77bf-7628-a925-9e395ab839b4)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-ca98-72f2-a6a7-07b8d6f000d0.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-ca98-72f2-a6a7-07b8d6f000d0.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-ca98-72f2-a6a7-07b8d6f000d0.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-ca98-72f2-a6a7-07b8d6f000d0)
Cite as: State Ditch. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-ca98-72f2-a6a7-07b8d6f000d0
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.