# Lost Channel

Lost Channel is a channel in [Grand Haven Charter Township](https://ontology.bommaritollc.com/id/01a0ca47-70a6-76fe-9747-572eb65704f0), [Ottawa County](https://ontology.bommaritollc.com/id/01a0ca47-5954-7486-8da7-cf2bc9c3e02e), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (3.3 km long), in the [Grand River (HUC10 0405000607)](https://ontology.bommaritollc.com/id/01a0de92-1d92-7092-a09d-313b4d500fed) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-d116-7626-9334-1847c1fa5b99>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Ottawa County](https://ontology.bommaritollc.com/id/01a0ca47-5954-7486-8da7-cf2bc9c3e02e) › [Grand Haven Charter Township](https://ontology.bommaritollc.com/id/01a0ca47-70a6-76fe-9747-572eb65704f0)

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

Location: 43.05446, -86.18450 (box -86.19343, 43.04344, -86.16102, 43.05687; west, south, east, north)

- `adms:identifier`: [gnis 1618718](https://ontology.bommaritollc.com/id/01a0ddfe-d117-77c8-8839-b0186dab246c)
- `dcterms:type`: [channel](https://ontology.bommaritollc.com/vocab/geo/gnisChannel)
- `geo:hasDefaultGeometry`: [shape of Lost Channel](https://ontology.bommaritollc.com/id/01a0de2c-da18-779b-b8c6-773f414429fd)
- `geo:hasGeometry`:
  - [point of Lost Channel](https://ontology.bommaritollc.com/id/01a0ddff-0dd0-750a-9487-37fffaea2468)
  - [shape of Lost Channel](https://ontology.bommaritollc.com/id/01a0de2c-da18-779b-b8c6-773f414429fd)
- `geo:hasMetricLength`: 3337.3 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Grand River (HUC10 0405000607)](https://ontology.bommaritollc.com/id/01a0de92-1d92-7092-a09d-313b4d500fed)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-d116-7626-9334-1846415780d1)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-6230-779f-98d7-9a67470c0fd1)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-172e-71af-ae3f-c819640b21e2)
- `schema:containedInPlace`:
  - [Ottawa County](https://ontology.bommaritollc.com/id/01a0ca47-5954-7486-8da7-cf2bc9c3e02e)
  - [Grand Haven Charter Township](https://ontology.bommaritollc.com/id/01a0ca47-70a6-76fe-9747-572eb65704f0)
- `skos:prefLabel`: Lost Channel

## Elsewhere

- [Wikidata Q33161577](https://www.wikidata.org/wiki/Q33161577) (proposed match (exactMatch))
- [USGS GNIS 1618718](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/1618718) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=43.05446&mlon=-86.18450#map=14/43.05446/-86.18450) (43.05446, -86.18450)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=43.05446,-86.18450)
- [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/Q33161577 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-7829-72d6-a37d-b200788b9ab6)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-d116-7626-9334-1847c1fa5b99.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-d116-7626-9334-1847c1fa5b99.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-d116-7626-9334-1847c1fa5b99.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-d116-7626-9334-1847c1fa5b99)
Cite as: Lost Channel. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-d116-7626-9334-1847c1fa5b99
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.