# Rattlesnake Island

Rattlesnake Island is an island in [Magician Lake](https://ontology.bommaritollc.com/id/01a0ddfe-be3c-7212-a238-245d4474b3b6), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa), in the [Dowagiac River (HUC10 0405000123)](https://ontology.bommaritollc.com/id/01a0de92-1d2f-7030-b921-f4d806a46a24) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-dddc-706f-830a-9257e358c129>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Magician Lake](https://ontology.bommaritollc.com/id/01a0ddfe-be3c-7212-a238-245d4474b3b6)

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

Location: 42.06667, -86.17611 (box -86.17611, 42.06667, -86.17611, 42.06667; west, south, east, north)

- `adms:identifier`: [gnis 2109326](https://ontology.bommaritollc.com/id/01a0ddfe-dddd-7717-abb3-dcd60fd407c6)
- `dcterms:type`: [island](https://ontology.bommaritollc.com/vocab/geo/gnisIsland)
- `geo:hasDefaultGeometry`: [point of Rattlesnake Island](https://ontology.bommaritollc.com/id/01a0ddff-1b95-7141-a086-b2f601bde2b2)
- `geo:hasGeometry`: [point of Rattlesnake Island](https://ontology.bommaritollc.com/id/01a0ddff-1b95-7141-a086-b2f601bde2b2)
- **in watershed** (`bcgeo:inWatershed`): [Dowagiac River (HUC10 0405000123)](https://ontology.bommaritollc.com/id/01a0de92-1d2f-7030-b921-f4d806a46a24)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-dddc-706f-830a-92565daddbe8)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-6b84-7084-b15f-cd0470fd4d81)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de86-dccd-7359-be48-8c57e6229fbb)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-16aa-74ea-af46-9d1b3591b1e4)
- `schema:containedInPlace`:
  - [Cass County](https://ontology.bommaritollc.com/id/01a0ca47-5a46-7564-a1ca-981ba967c897)
  - [Silver Creek Township](https://ontology.bommaritollc.com/id/01a0ca47-69df-76fa-8217-e5a2b93b23d3)
  - [Magician Lake](https://ontology.bommaritollc.com/id/01a0ddfe-be3c-7212-a238-245d4474b3b6)
- `skos:prefLabel`: Rattlesnake Island

## Elsewhere

- [Wikidata Q49674250](https://www.wikidata.org/wiki/Q49674250) (proposed match (exactMatch))
- [USGS GNIS 2109326](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/2109326) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.06667&mlon=-86.17611#map=14/42.06667/-86.17611) (42.06667, -86.17611)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.06667,-86.17611)
- [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/Q49674250 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-7a0e-7492-b397-048ddda69e67)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-dddc-706f-830a-9257e358c129.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-dddc-706f-830a-9257e358c129.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-dddc-706f-830a-9257e358c129.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-dddc-706f-830a-9257e358c129)
Cite as: Rattlesnake Island. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-dddc-706f-830a-9257e358c129
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.