# Portage Bay

Portage Bay is a bay 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-c4cf-75f3-84a4-d7c99dc28bc0>

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:BodyOfWater](https://schema.org/BodyOfWater), [schema:Place](https://schema.org/Place)

Location: 45.74387, -86.52236 (box -86.52236, 45.74387, -86.52236, 45.74387; west, south, east, north)

- `adms:identifier`: [gnis 635271](https://ontology.bommaritollc.com/id/01a0ddfe-c4cf-75f3-84a4-d7d1ed475b8d)
- `dcterms:type`: [bay](https://ontology.bommaritollc.com/vocab/geo/gnisBay)
- `geo:hasDefaultGeometry`: [point of Portage Bay](https://ontology.bommaritollc.com/id/01a0ddfe-fe19-739f-9606-e3109649dc7c)
- `geo:hasGeometry`: [point of Portage Bay](https://ontology.bommaritollc.com/id/01a0ddfe-fe19-739f-9606-e3109649dc7c)
- **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-c4cf-75f3-84a4-d7c87d2310a0)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-5912-7225-939e-c00558d292cf)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de86-dbce-724e-bd3e-2856da08367a)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-1951-7385-bfba-4bbf6ff8b7ca)
- `schema:containedInPlace`:
  - [Delta County](https://ontology.bommaritollc.com/id/01a0ca47-5c73-7777-b908-2b2e621f2c98)
  - [Garden Township](https://ontology.bommaritollc.com/id/01a0ca47-700b-7052-9d32-fe1eaf358006)
  - [Lake Michigan](https://ontology.bommaritollc.com/id/01a0ddfe-da8b-736c-b10c-b5ac4195f147)
- `skos:prefLabel`: Portage Bay

## Elsewhere

- [Wikidata Q49388584](https://www.wikidata.org/wiki/Q49388584) (proposed match (exactMatch))
- [USGS GNIS 635271](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/635271) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=45.74387&mlon=-86.52236#map=14/45.74387/-86.52236) (45.74387, -86.52236)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=45.74387,-86.52236)
- [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/Q49388584 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-76e1-7013-833a-fc3afa4d49b2)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-c4cf-75f3-84a4-d7c99dc28bc0.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-c4cf-75f3-84a4-d7c99dc28bc0.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-c4cf-75f3-84a4-d7c99dc28bc0.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-c4cf-75f3-84a4-d7c99dc28bc0)
Cite as: Portage Bay. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-c4cf-75f3-84a4-d7c99dc28bc0
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.