# Cow Island

Cow Island is an island in [Alpena](https://ontology.bommaritollc.com/id/01a0ca47-96f5-7465-b4bc-603c24b8b675), [Alpena County](https://ontology.bommaritollc.com/id/01a0ca47-5ba1-75cb-ad10-803f5773865d), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa), in the [Thunder Bay River (HUC10 0407000606)](https://ontology.bommaritollc.com/id/01a0de92-1e39-73ea-9fc1-9bc8ccc54889) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-de6e-75fb-8f8c-37ba21af3101>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Alpena County](https://ontology.bommaritollc.com/id/01a0ca47-5ba1-75cb-ad10-803f5773865d) › [Alpena](https://ontology.bommaritollc.com/id/01a0ca47-96f5-7465-b4bc-603c24b8b675)

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

Location: 45.07361, -83.46389 (box -83.46389, 45.07361, -83.46389, 45.07361; west, south, east, north)

- `adms:identifier`: [gnis 2492385](https://ontology.bommaritollc.com/id/01a0ddfe-de6f-7749-bde4-bd1695787cd0)
- `dcterms:type`: [island](https://ontology.bommaritollc.com/vocab/geo/gnisIsland)
- `geo:hasDefaultGeometry`: [point of Cow Island](https://ontology.bommaritollc.com/id/01a0ddff-1d8a-73c9-b739-7cb542accc3a)
- `geo:hasGeometry`: [point of Cow Island](https://ontology.bommaritollc.com/id/01a0ddff-1d8a-73c9-b739-7cb542accc3a)
- **in watershed** (`bcgeo:inWatershed`): [Thunder Bay River (HUC10 0407000606)](https://ontology.bommaritollc.com/id/01a0de92-1e39-73ea-9fc1-9bc8ccc54889)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-de6e-75fb-8f8c-37b91071f910)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-6bc2-73e2-89eb-d31247df1146)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-17f8-72e5-b551-f7453a46b41a)
- `schema:containedInPlace`:
  - [Alpena County](https://ontology.bommaritollc.com/id/01a0ca47-5ba1-75cb-ad10-803f5773865d)
  - [Alpena](https://ontology.bommaritollc.com/id/01a0ca47-96f5-7465-b4bc-603c24b8b675)
- `skos:altLabel`: Duck Island
- `skos:prefLabel`: Cow Island

## Elsewhere

- [Wikidata Q49635782](https://www.wikidata.org/wiki/Q49635782) (proposed match (exactMatch))
- [USGS GNIS 2492385](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/2492385) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=45.07361&mlon=-83.46389#map=14/45.07361/-83.46389) (45.07361, -83.46389)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=45.07361,-83.46389)
- [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/Q49635782 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-7a14-7178-910b-036591692d5f)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-de6e-75fb-8f8c-37ba21af3101.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-de6e-75fb-8f8c-37ba21af3101.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-de6e-75fb-8f8c-37ba21af3101.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-de6e-75fb-8f8c-37ba21af3101)
Cite as: Cow Island. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-de6e-75fb-8f8c-37ba21af3101
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.