# Defiance Rock

Defiance Rock 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-df0c-73d6-81d7-3677da1004c4>

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: 45.91066, -85.41181 (box -85.41181, 45.91066, -85.41181, 45.91066; west, south, east, north)

- `adms:identifier`: [gnis 2829913](https://ontology.bommaritollc.com/id/01a0ddfe-df0c-73d6-81d7-368006d067a8)
- `dcterms:type`: [bar](https://ontology.bommaritollc.com/vocab/geo/gnisBar)
- `geo:hasDefaultGeometry`: [point of Defiance Rock](https://ontology.bommaritollc.com/id/01a0ddff-1dd5-7100-a3db-dff575c6ba97)
- `geo:hasGeometry`: [point of Defiance Rock](https://ontology.bommaritollc.com/id/01a0ddff-1dd5-7100-a3db-dff575c6ba97)
- **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-df0c-73d6-81d7-3676b4c7c02e)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de86-dcd4-70ab-882a-97412f7325af)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-1951-7385-bfba-4bbf6ff8b7ca)
- `schema:containedInPlace`:
  - [Mackinac County](https://ontology.bommaritollc.com/id/01a0ca47-5c59-72ef-9b47-f808d9d32f80)
  - [Lake Michigan](https://ontology.bommaritollc.com/id/01a0ddfe-da8b-736c-b10c-b5ac4195f147)
- `skos:prefLabel`: Defiance Rock

## Elsewhere

- [USGS GNIS 2829913](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/2829913) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=45.91066&mlon=-85.41181#map=14/45.91066/-85.41181) (45.91066, -85.41181)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=45.91066,-85.41181)
- [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)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-df0c-73d6-81d7-3677da1004c4.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-df0c-73d6-81d7-3677da1004c4.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-df0c-73d6-81d7-3677da1004c4.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-df0c-73d6-81d7-3677da1004c4)
Cite as: Defiance Rock. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-df0c-73d6-81d7-3677da1004c4
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.