# Big Ditch

Big Ditch is a canal in [McMillan Township](https://ontology.bommaritollc.com/id/01a0ca47-774e-71b1-9a0c-1325186bd6d8), [Luce County](https://ontology.bommaritollc.com/id/01a0ca47-5c41-7728-b7f8-b3973ec5773e), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (3.4 km long), in the [Sage River (HUC10 0402020202)](https://ontology.bommaritollc.com/id/01a0de92-1c7f-7031-b5f8-cdacf07b6999) watershed; it flows into [Sage River](https://ontology.bommaritollc.com/id/01a0ddfe-c70b-73bc-9aa6-579585757fff).

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-abfd-761c-ba03-6129ed2e6bd5>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Luce County](https://ontology.bommaritollc.com/id/01a0ca47-5c41-7728-b7f8-b3973ec5773e) › [McMillan Township](https://ontology.bommaritollc.com/id/01a0ca47-774e-71b1-9a0c-1325186bd6d8)

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

Location: 46.33583, -85.41566 (box -85.44730, 46.33581, -85.42557, 46.35175; west, south, east, north)

- `adms:identifier`: [gnis 621314](https://ontology.bommaritollc.com/id/01a0ddfe-abfd-761c-ba03-6131d33bb69b)
- `dcterms:type`: [canal](https://ontology.bommaritollc.com/vocab/geo/gnisCanal)
- **flows into** (`bcgeo:flowsInto`): [Sage River](https://ontology.bommaritollc.com/id/01a0ddfe-c70b-73bc-9aa6-579585757fff)
- `geo:hasDefaultGeometry`: [shape of Big Ditch](https://ontology.bommaritollc.com/id/01a0de2c-c4c5-7725-b8d4-bfc5c9cf68da)
- `geo:hasGeometry`:
  - [point of Big Ditch](https://ontology.bommaritollc.com/id/01a0ddfe-e2c4-728e-84f2-a680ff14e53c)
  - [shape of Big Ditch](https://ontology.bommaritollc.com/id/01a0de2c-c4c5-7725-b8d4-bfc5c9cf68da)
- `geo:hasMetricLength`: 3379.6 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Sage River (HUC10 0402020202)](https://ontology.bommaritollc.com/id/01a0de92-1c7f-7031-b5f8-cdacf07b6999)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-abfd-761c-ba03-612850a6cd94)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-45fb-743c-b86e-bffe62a6d384)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-15d5-7090-abe1-626f55906fe7)
- `schema:containedInPlace`:
  - [Luce County](https://ontology.bommaritollc.com/id/01a0ca47-5c41-7728-b7f8-b3973ec5773e)
  - [McMillan Township](https://ontology.bommaritollc.com/id/01a0ca47-774e-71b1-9a0c-1325186bd6d8)
- `skos:prefLabel`: Big Ditch

## Elsewhere

- [Wikidata Q33177843](https://www.wikidata.org/wiki/Q33177843) (proposed match (exactMatch))
- [USGS GNIS 621314](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/621314) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=46.33583&mlon=-85.41566#map=14/46.33583/-85.41566) (46.33583, -85.41566)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=46.33583,-85.41566)
- [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/Q33177843 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-7381-732c-9b00-b7f98fbc8cdd)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-abfd-761c-ba03-6129ed2e6bd5.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-abfd-761c-ba03-6129ed2e6bd5.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-abfd-761c-ba03-6129ed2e6bd5.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-abfd-761c-ba03-6129ed2e6bd5)
Cite as: Big Ditch. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-abfd-761c-ba03-6129ed2e6bd5
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.