# Watson Reefs

Watson Reefs is a bar in [Lake Huron](https://ontology.bommaritollc.com/id/01a0ddfe-dba9-7007-b9a4-2e346853a6ba), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa), in the [Lake Huron (HUC10 0424000202)](https://ontology.bommaritollc.com/id/01a0de92-1f53-728b-a241-32e786ea8de4) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-ce3d-747b-adae-a9677a20b873>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Lake Huron](https://ontology.bommaritollc.com/id/01a0ddfe-dba9-7007-b9a4-2e346853a6ba)

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

Location: 46.00696, -83.90056 (box -83.90056, 46.00696, -83.90056, 46.00696; west, south, east, north)

- `adms:identifier`: [gnis 1615879](https://ontology.bommaritollc.com/id/01a0ddfe-ce3e-704f-aa7a-a3a39ca65ea9)
- `dcterms:type`: [bar](https://ontology.bommaritollc.com/vocab/geo/gnisBar)
- `geo:hasDefaultGeometry`: [point of Watson Reefs](https://ontology.bommaritollc.com/id/01a0ddff-090e-773d-afaf-fbce9e19bb7e)
- `geo:hasGeometry`: [point of Watson Reefs](https://ontology.bommaritollc.com/id/01a0ddff-090e-773d-afaf-fbce9e19bb7e)
- **in watershed** (`bcgeo:inWatershed`): [Lake Huron (HUC10 0424000202)](https://ontology.bommaritollc.com/id/01a0de92-1f53-728b-a241-32e786ea8de4)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-ce3d-747b-adae-a9666710ba4a)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-5ff4-77c3-a8bf-d9e10cc5aed6)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de86-dc3e-774e-b82b-a267b31df3b3)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-19d2-746b-bdc2-d68f03d10216)
- `schema:containedInPlace`:
  - [Chippewa County](https://ontology.bommaritollc.com/id/01a0ca47-5c74-7657-97c2-9bfdfd3bc0fc)
  - [Detour Township](https://ontology.bommaritollc.com/id/01a0ca47-6e00-7195-a30c-884c539430ab)
  - [Lake Huron](https://ontology.bommaritollc.com/id/01a0ddfe-dba9-7007-b9a4-2e346853a6ba)
- `skos:prefLabel`: Watson Reefs

## Elsewhere

- [Wikidata Q49623661](https://www.wikidata.org/wiki/Q49623661) (proposed match (exactMatch))
- [USGS GNIS 1615879](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/1615879) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=46.00696&mlon=-83.90056#map=14/46.00696/-83.90056) (46.00696, -83.90056)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=46.00696,-83.90056)
- [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/Q49623661 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-77fd-7236-a3f5-da0491802360)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-ce3d-747b-adae-a9677a20b873.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-ce3d-747b-adae-a9677a20b873.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-ce3d-747b-adae-a9677a20b873.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-ce3d-747b-adae-a9677a20b873)
Cite as: Watson Reefs. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-ce3d-747b-adae-a9677a20b873
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.