# Round Island

Round Island is an island in [Delta County](https://ontology.bommaritollc.com/id/01a0ca47-5c73-7777-b908-2b2e621f2c98), [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-c6a6-7559-89a1-53af82ce49b9>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Delta County](https://ontology.bommaritollc.com/id/01a0ca47-5c73-7777-b908-2b2e621f2c98)

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

Location: 45.64275, -87.16819 (box -87.16819, 45.64275, -87.16819, 45.64275; west, south, east, north)

- `adms:identifier`: [gnis 636270](https://ontology.bommaritollc.com/id/01a0ddfe-c6a7-70a0-b655-c762e2eaa0c5)
- `dcterms:type`: [island](https://ontology.bommaritollc.com/vocab/geo/gnisIsland)
- `geo:hasDefaultGeometry`: [point of Round Island](https://ontology.bommaritollc.com/id/01a0ddff-0087-70b6-b641-05e6a22b218c)
- `geo:hasGeometry`: [point of Round Island](https://ontology.bommaritollc.com/id/01a0ddff-0087-70b6-b641-05e6a22b218c)
- **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-c6a6-7559-89a1-53ae343d4e70)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-5a02-71b7-872e-c4e6c3edaa8b)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de86-dbde-70f9-af09-95a92889d6bc)
  - [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)
  - [Ford River Township](https://ontology.bommaritollc.com/id/01a0ca47-6f66-76f3-b39a-de3a4212542b)
  - [Lake Michigan](https://ontology.bommaritollc.com/id/01a0ddfe-da8b-736c-b10c-b5ac4195f147)
- `skos:prefLabel`: Round Island

## Elsewhere

- [Wikidata Q49675589](https://www.wikidata.org/wiki/Q49675589) (proposed match (exactMatch))
- [USGS GNIS 636270](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/636270) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=45.64275&mlon=-87.16819#map=14/45.64275/-87.16819) (45.64275, -87.16819)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=45.64275,-87.16819)
- [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/Q49675589 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-76f7-767a-ac6d-26af08f0e9d9)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-c6a6-7559-89a1-53af82ce49b9.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-c6a6-7559-89a1-53af82ce49b9.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-c6a6-7559-89a1-53af82ce49b9.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-c6a6-7559-89a1-53af82ce49b9)
Cite as: Round Island. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-c6a6-7559-89a1-53af82ce49b9
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.