# Crescent Island

Crescent Island is an island in [Grand Lake](https://ontology.bommaritollc.com/id/01a0ddfe-b61a-73bf-a989-ff69d1213357), [Presque Isle County](https://ontology.bommaritollc.com/id/01a0ca47-5db9-75f0-a5ba-b8b8e4da260f), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa), in the [Swan River-Frontal Lake Huron (HUC10 0407000303)](https://ontology.bommaritollc.com/id/01a0de92-1e10-76bc-95e5-e1cab09a3323) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-b0fa-7777-93c7-c64d21857521>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Presque Isle County](https://ontology.bommaritollc.com/id/01a0ca47-5db9-75f0-a5ba-b8b8e4da260f) › [Grand Lake](https://ontology.bommaritollc.com/id/01a0ddfe-b61a-73bf-a989-ff69d1213357)

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

Location: 45.30418, -83.48359 (box -83.48359, 45.30418, -83.48359, 45.30418; west, south, east, north)

- `adms:identifier`: [gnis 624045](https://ontology.bommaritollc.com/id/01a0ddfe-b0fb-71dd-b061-b94d058b5bd6)
- `dcterms:type`: [island](https://ontology.bommaritollc.com/vocab/geo/gnisIsland)
- `geo:hasDefaultGeometry`: [point of Crescent Island](https://ontology.bommaritollc.com/id/01a0ddfe-e56c-757c-bb1b-6a38b911d501)
- `geo:hasGeometry`: [point of Crescent Island](https://ontology.bommaritollc.com/id/01a0ddfe-e56c-757c-bb1b-6a38b911d501)
- **in watershed** (`bcgeo:inWatershed`): [Swan River-Frontal Lake Huron (HUC10 0407000303)](https://ontology.bommaritollc.com/id/01a0de92-1e10-76bc-95e5-e1cab09a3323)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-b0fa-7777-93c7-c64ce94a565f)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-499d-70ac-acb9-e5bf81ef22c1)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de86-db3e-7786-8aa1-73807a56c267)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-17c8-74ed-ac7e-8e6fd5384292)
- `schema:containedInPlace`:
  - [Presque Isle County](https://ontology.bommaritollc.com/id/01a0ca47-5db9-75f0-a5ba-b8b8e4da260f)
  - [Presque Isle Township](https://ontology.bommaritollc.com/id/01a0ca47-6871-75b1-b019-d06695781c4a)
  - [Grand Lake](https://ontology.bommaritollc.com/id/01a0ddfe-b61a-73bf-a989-ff69d1213357)
- `skos:prefLabel`: Crescent Island

## Elsewhere

- [Wikidata Q34716537](https://www.wikidata.org/wiki/Q34716537) (proposed match (exactMatch))
- [USGS GNIS 624045](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/624045) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=45.30418&mlon=-83.48359#map=14/45.30418/-83.48359) (45.30418, -83.48359)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=45.30418,-83.48359)
- [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/Q34716537 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-73c6-765b-99f5-c52188961d9f)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-b0fa-7777-93c7-c64d21857521.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-b0fa-7777-93c7-c64d21857521.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-b0fa-7777-93c7-c64d21857521.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-b0fa-7777-93c7-c64d21857521)
Cite as: Crescent Island. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-b0fa-7777-93c7-c64d21857521
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.