# Walsh Ditch

Walsh Ditch is a canal in [Schoolcraft County](https://ontology.bommaritollc.com/id/01a0ca47-5db8-742e-a771-aed84d83e265), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (4.8 km long), in the [Manistique River (HUC10 0403011306)](https://ontology.bommaritollc.com/id/01a0de92-1cf7-7227-94ee-b870aacbe0f1) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-ce18-73c8-812a-f43d60e6f5bb>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Schoolcraft County](https://ontology.bommaritollc.com/id/01a0ca47-5db8-742e-a771-aed84d83e265)

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

Location: 46.13775, -86.11347 (box -86.11624, 46.11234, -86.11231, 46.15244; west, south, east, north)

- `adms:identifier`: [gnis 1615738](https://ontology.bommaritollc.com/id/01a0ddfe-ce18-73c8-812a-f446a4ab31cf)
- `dcterms:type`: [canal](https://ontology.bommaritollc.com/vocab/geo/gnisCanal)
- `geo:hasDefaultGeometry`: [shape of Walsh Ditch](https://ontology.bommaritollc.com/id/01a0de2c-d88f-7103-a6d9-4d4b8f5717cc)
- `geo:hasGeometry`:
  - [point of Walsh Ditch](https://ontology.bommaritollc.com/id/01a0ddff-08fa-7466-9f38-b7e9c7bc2056)
  - [shape of Walsh Ditch](https://ontology.bommaritollc.com/id/01a0de2c-d88f-7103-a6d9-4d4b8f5717cc)
- `geo:hasMetricLength`: 4786.4 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Manistique River (HUC10 0403011306)](https://ontology.bommaritollc.com/id/01a0de92-1cf7-7227-94ee-b870aacbe0f1)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-ce18-73c8-812a-f43cca5c5f32)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-5fd8-77e9-ba09-0f4ae2488bb3)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-1662-7226-8ba6-3ae21abf0406)
- `schema:containedInPlace`:
  - [Schoolcraft County](https://ontology.bommaritollc.com/id/01a0ca47-5db8-742e-a771-aed84d83e265)
  - [Doyle Township](https://ontology.bommaritollc.com/id/01a0ca47-6e49-74d6-8a81-c66b5517b3b2)
  - [Manistique Township](https://ontology.bommaritollc.com/id/01a0ca47-771c-702a-9db8-72eaa888c12d)
- `skos:prefLabel`: Walsh Ditch

## Elsewhere

- [Wikidata Q33218900](https://www.wikidata.org/wiki/Q33218900) (proposed match (exactMatch))
- [USGS GNIS 1615738](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/1615738) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=46.13775&mlon=-86.11347#map=14/46.13775/-86.11347) (46.13775, -86.11347)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=46.13775,-86.11347)
- [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/Q33218900 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-77f9-73b4-8e02-ae8b5f595108)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-ce18-73c8-812a-f43d60e6f5bb.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-ce18-73c8-812a-f43d60e6f5bb.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-ce18-73c8-812a-f43d60e6f5bb.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-ce18-73c8-812a-f43d60e6f5bb)
Cite as: Walsh Ditch. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-ce18-73c8-812a-f43d60e6f5bb
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.
