# Steamboat Island

Steamboat Island is an island in [Lake Superior](https://ontology.bommaritollc.com/id/01a0ddfe-d154-7649-b19b-081f619c450a), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa), in the [Nodaway Point-Frontal Lake Superior (HUC10 0418000001)](https://ontology.bommaritollc.com/id/01a0de92-1f26-72d2-95cf-36dfd969113e) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-ca9b-74ef-b104-d5ddcc9e124b>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Lake Superior](https://ontology.bommaritollc.com/id/01a0ddfe-d154-7649-b19b-081f619c450a)

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

Location: 48.17737, -88.54257 (box -88.54257, 48.17737, -88.54257, 48.17737; west, south, east, north)

- `adms:identifier`: [gnis 638765](https://ontology.bommaritollc.com/id/01a0ddfe-ca9c-7362-8fa4-cd21116def1b)
- `dcterms:type`: [island](https://ontology.bommaritollc.com/vocab/geo/gnisIsland)
- `geo:hasDefaultGeometry`: [point of Steamboat Island](https://ontology.bommaritollc.com/id/01a0ddff-05b6-73b2-a817-df516927d237)
- `geo:hasGeometry`: [point of Steamboat Island](https://ontology.bommaritollc.com/id/01a0ddff-05b6-73b2-a817-df516927d237)
- **in watershed** (`bcgeo:inWatershed`): [Nodaway Point-Frontal Lake Superior (HUC10 0418000001)](https://ontology.bommaritollc.com/id/01a0de92-1f26-72d2-95cf-36dfd969113e)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-ca9b-74ef-b104-d5dc30377afd)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-5d6e-7254-bc6a-d39c9268c0ce)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de86-dc16-764f-aff2-7e70837c2b73)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-1923-71fb-aada-d53e5a05907d)
- `schema:containedInPlace`:
  - [Keweenaw County](https://ontology.bommaritollc.com/id/01a0ca47-5d2f-7501-b2ba-1fe0d1e4fc6a)
  - [Houghton Township](https://ontology.bommaritollc.com/id/01a0ca47-7cd1-7618-8ec3-65ca0f1f1532)
  - [Lake Superior](https://ontology.bommaritollc.com/id/01a0ddfe-d154-7649-b19b-081f619c450a)
- `skos:prefLabel`: Steamboat Island

## Elsewhere

- [Wikidata Q130310968](https://www.wikidata.org/wiki/Q130310968) (proposed match (exactMatch))
- [USGS GNIS 638765](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/638765) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=48.17737&mlon=-88.54257#map=14/48.17737/-88.54257) (48.17737, -88.54257)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=48.17737,-88.54257)
- [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/Q130310968 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-77bf-7628-a925-9e3f78e5e15d)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-ca9b-74ef-b104-d5ddcc9e124b.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-ca9b-74ef-b104-d5ddcc9e124b.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-ca9b-74ef-b104-d5ddcc9e124b.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-ca9b-74ef-b104-d5ddcc9e124b)
Cite as: Steamboat Island. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-ca9b-74ef-b104-d5ddcc9e124b
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.