# Saint Martin Island Shoals

Saint Martin Island Shoals is a bar in [Lake Michigan](https://ontology.bommaritollc.com/id/01a0ddfe-da8b-736c-b10c-b5ac4195f147), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa), in the [Lake Michigan (HUC10 0419000002)](https://ontology.bommaritollc.com/id/01a0de92-1f2c-768f-8a9b-4fde379fd131) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-c71b-740c-b869-0f55e5bcfaf9>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Lake Michigan](https://ontology.bommaritollc.com/id/01a0ddfe-da8b-736c-b10c-b5ac4195f147)

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

Location: 45.44971, -86.77040 (box -86.77040, 45.44971, -86.77040, 45.44971; west, south, east, north)

- `adms:identifier`: [gnis 636858](https://ontology.bommaritollc.com/id/01a0ddfe-c71b-740c-b869-0f5efdd1015b)
- `dcterms:type`: [bar](https://ontology.bommaritollc.com/vocab/geo/gnisBar)
- `geo:hasDefaultGeometry`: [point of Saint Martin Island Shoals](https://ontology.bommaritollc.com/id/01a0ddff-00c8-7600-b514-c10aa3138926)
- `geo:hasGeometry`: [point of Saint Martin Island Shoals](https://ontology.bommaritollc.com/id/01a0ddff-00c8-7600-b514-c10aa3138926)
- **in watershed** (`bcgeo:inWatershed`): [Lake Michigan (HUC10 0419000002)](https://ontology.bommaritollc.com/id/01a0de92-1f2c-768f-8a9b-4fde379fd131)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-c71b-740c-b869-0f54364301c2)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-5ab0-72dc-b6fe-4c8331b76233)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de86-dbe4-70c5-ba6d-2335194097eb)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-1951-7385-bfba-4bbf6ff8b7ca)
- `schema:containedInPlace`:
  - [Delta County](https://ontology.bommaritollc.com/id/01a0ca47-5c73-7777-b908-2b2e621f2c98)
  - [Fairbanks Township](https://ontology.bommaritollc.com/id/01a0ca47-6044-74f9-9272-0879773f59bb)
  - [Lake Michigan](https://ontology.bommaritollc.com/id/01a0ddfe-da8b-736c-b10c-b5ac4195f147)
- `skos:prefLabel`: Saint Martin Island Shoals

## Elsewhere

- [Wikidata Q49621122](https://www.wikidata.org/wiki/Q49621122) (proposed match (exactMatch))
- [USGS GNIS 636858](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/636858) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=45.44971&mlon=-86.77040#map=14/45.44971/-86.77040) (45.44971, -86.77040)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=45.44971,-86.77040)
- [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/Q49621122 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-7701-71d3-bbd6-00837dd4b213)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-c71b-740c-b869-0f55e5bcfaf9.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-c71b-740c-b869-0f55e5bcfaf9.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-c71b-740c-b869-0f55e5bcfaf9.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-c71b-740c-b869-0f55e5bcfaf9)
Cite as: Saint Martin Island Shoals. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-c71b-740c-b869-0f55e5bcfaf9
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.