# North Graham Shoal

North Graham Shoal 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-d6b9-7148-bef1-90f3c09f7e2b>

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: 45.83946, -84.69783 (box -84.69783, 45.83946, -84.69783, 45.83946; west, south, east, north)

- `adms:identifier`: [gnis 1621042](https://ontology.bommaritollc.com/id/01a0ddfe-d6b9-7148-bef1-90fcfc64b8bc)
- `dcterms:type`: [bar](https://ontology.bommaritollc.com/vocab/geo/gnisBar)
- `geo:hasDefaultGeometry`: [point of North Graham Shoal](https://ontology.bommaritollc.com/id/01a0ddff-13b3-71e3-a501-bbe30798f6ff)
- `geo:hasGeometry`: [point of North Graham Shoal](https://ontology.bommaritollc.com/id/01a0ddff-13b3-71e3-a501-bbe30798f6ff)
- **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-d6b9-7148-bef1-90f2391c8b74)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de86-dc9d-75ad-b128-1f3ea86c0eb2)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-19d2-746b-bdc2-d68f03d10216)
- `schema:containedInPlace`:
  - [Mackinac County](https://ontology.bommaritollc.com/id/01a0ca47-5c59-72ef-9b47-f808d9d32f80)
  - [Lake Huron](https://ontology.bommaritollc.com/id/01a0ddfe-dba9-7007-b9a4-2e346853a6ba)
- `skos:prefLabel`: North Graham Shoal

## Elsewhere

- [Wikidata Q49619766](https://www.wikidata.org/wiki/Q49619766) (proposed match (exactMatch))
- [USGS GNIS 1621042](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/1621042) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=45.83946&mlon=-84.69783#map=14/45.83946/-84.69783) (45.83946, -84.69783)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=45.83946,-84.69783)
- [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/Q49619766 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-7911-7647-819d-12c6c52d60b8)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-d6b9-7148-bef1-90f3c09f7e2b.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-d6b9-7148-bef1-90f3c09f7e2b.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-d6b9-7148-bef1-90f3c09f7e2b.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-d6b9-7148-bef1-90f3c09f7e2b)
Cite as: North Graham Shoal. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-d6b9-7148-bef1-90f3c09f7e2b
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.