# Lewis Ditch

Lewis Ditch is a canal in [Macomb County](https://ontology.bommaritollc.com/id/01a0ca47-5a13-7757-80a2-202aea23905c), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (4.7 km long), in the [North Branch Clinton River (HUC10 0409000303)](https://ontology.bommaritollc.com/id/01a0de92-1edd-77aa-ba90-f57b56b4ff99) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-bbc8-75ce-84b0-2e6b00b38ad4>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Macomb County](https://ontology.bommaritollc.com/id/01a0ca47-5a13-7757-80a2-202aea23905c)

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

Location: 42.65364, -82.97465 (box -82.97968, 42.63131, -82.96020, 42.66389; west, south, east, north)

- `adms:identifier`: [gnis 630345](https://ontology.bommaritollc.com/id/01a0ddfe-bbc9-716c-b2db-3c758387c821)
- `dcterms:type`: [canal](https://ontology.bommaritollc.com/vocab/geo/gnisCanal)
- `geo:hasDefaultGeometry`: [shape of Lewis Ditch](https://ontology.bommaritollc.com/id/01a0de2c-cdc6-7609-bb7f-f09ad36b08a2)
- `geo:hasGeometry`:
  - [point of Lewis Ditch](https://ontology.bommaritollc.com/id/01a0ddfe-f2bb-7351-82e8-de129fd35514)
  - [shape of Lewis Ditch](https://ontology.bommaritollc.com/id/01a0de2c-cdc6-7609-bb7f-f09ad36b08a2)
- `geo:hasMetricLength`: 4685.4 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [North Branch Clinton River (HUC10 0409000303)](https://ontology.bommaritollc.com/id/01a0de92-1edd-77aa-ba90-f57b56b4ff99)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-bbc8-75ce-84b0-2e6a6439c8ad)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-51f5-7724-85eb-0eadfeed0a9a)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-18be-7315-9532-618e5c4275c1)
- `schema:containedInPlace`:
  - [Macomb County](https://ontology.bommaritollc.com/id/01a0ca47-5a13-7757-80a2-202aea23905c)
  - [Shelby Charter Township](https://ontology.bommaritollc.com/id/01a0ca47-6953-7670-ab70-cf5ad04dc91b)
  - [Macomb Township](https://ontology.bommaritollc.com/id/01a0ca47-69ac-770f-8546-00e50c0e587e)
- `skos:prefLabel`: Lewis Ditch

## Elsewhere

- [Wikidata Q33203852](https://www.wikidata.org/wiki/Q33203852) (proposed match (exactMatch))
- [USGS GNIS 630345](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/630345) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.65364&mlon=-82.97465#map=14/42.65364/-82.97465) (42.65364, -82.97465)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.65364,-82.97465)
- [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

- Flowing into it (1; `bcgeo:flowsInto`):
  - [Dunn Drain](https://ontology.bommaritollc.com/id/01a0ddfe-b30d-7538-bbab-fc412a1111b0)
- Mappings (1; `owl:annotatedSource`):
  - [exactMatch http://www.wikidata.org/entity/Q33203852 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-75d5-71c3-a564-b40f1d8b2d5d)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-bbc8-75ce-84b0-2e6b00b38ad4.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-bbc8-75ce-84b0-2e6b00b38ad4.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-bbc8-75ce-84b0-2e6b00b38ad4.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-bbc8-75ce-84b0-2e6b00b38ad4)
Cite as: Lewis Ditch. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-bbc8-75ce-84b0-2e6b00b38ad4
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.