# Picnic Rocks

Picnic Rocks 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 [Lake Superior (HUC10 0418000002)](https://ontology.bommaritollc.com/id/01a0de92-1f28-711b-9f7e-612909962997) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-c3f1-77d4-95bc-dbe8fb55f241>

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: 46.55577, -87.37736 (box -87.37736, 46.55577, -87.37736, 46.55577; west, south, east, north)

- `adms:identifier`: [gnis 634819](https://ontology.bommaritollc.com/id/01a0ddfe-c3f1-77d4-95bc-dbf1d645beb3)
- `dcterms:type`: [island](https://ontology.bommaritollc.com/vocab/geo/gnisIsland)
- `geo:hasDefaultGeometry`: [point of Picnic Rocks](https://ontology.bommaritollc.com/id/01a0ddfe-fdc1-7065-a5b4-0f8406d6b693)
- `geo:hasGeometry`: [point of Picnic Rocks](https://ontology.bommaritollc.com/id/01a0ddfe-fdc1-7065-a5b4-0f8406d6b693)
- **in watershed** (`bcgeo:inWatershed`): [Lake Superior (HUC10 0418000002)](https://ontology.bommaritollc.com/id/01a0de92-1f28-711b-9f7e-612909962997)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-c3f1-77d4-95bc-dbe781b5f876)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-5851-7547-b4e8-875f617c0f40)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de86-dbc1-768b-9af6-006903950ddc)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-1939-71b3-adca-17a7cd9aeac4)
- `schema:containedInPlace`:
  - [Marquette County](https://ontology.bommaritollc.com/id/01a0ca47-5d65-70a2-917a-e4b27fa24d91)
  - [Marquette](https://ontology.bommaritollc.com/id/01a0ca47-8758-7543-9418-ab5ce6445f2c)
  - [Lake Superior](https://ontology.bommaritollc.com/id/01a0ddfe-d154-7649-b19b-081f619c450a)
- `skos:prefLabel`: Picnic Rocks

## Elsewhere

- [Wikidata Q49669124](https://www.wikidata.org/wiki/Q49669124) (proposed match (exactMatch))
- [USGS GNIS 634819](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/634819) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=46.55577&mlon=-87.37736#map=14/46.55577/-87.37736) (46.55577, -87.37736)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=46.55577,-87.37736)
- [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/Q49669124 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-76ca-74c8-88ff-f4a019161460)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-c3f1-77d4-95bc-dbe8fb55f241.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-c3f1-77d4-95bc-dbe8fb55f241.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-c3f1-77d4-95bc-dbe8fb55f241.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-c3f1-77d4-95bc-dbe8fb55f241)
Cite as: Picnic Rocks. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-c3f1-77d4-95bc-dbe8fb55f241
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.