# Grand Portal

Grand Portal is an arch in [Munising Township](https://ontology.bommaritollc.com/id/01a0ca47-722d-745a-ab73-da25b1a178d7), [Alger County](https://ontology.bommaritollc.com/id/01a0ca47-5b9c-74cc-b002-8ea6888b5af8), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa), in the [Nodaway Point-Frontal Lake Superior (HUC10 0418000001)](https://ontology.bommaritollc.com/id/01a0de92-1f26-72d2-95cf-36dfd969113e) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-deea-72d1-9bd9-8d8f8eb68f5b>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Alger County](https://ontology.bommaritollc.com/id/01a0ca47-5b9c-74cc-b002-8ea6888b5af8) › [Munising Township](https://ontology.bommaritollc.com/id/01a0ca47-722d-745a-ab73-da25b1a178d7)

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

Location: 46.55333, -86.46222 (box -86.46222, 46.55333, -86.46222, 46.55333; west, south, east, north)

- `adms:identifier`: [gnis 2701942](https://ontology.bommaritollc.com/id/01a0ddfe-deeb-723d-a69f-6165de8869f7)
- `dcterms:type`: [arch](https://ontology.bommaritollc.com/vocab/geo/gnisArch)
- `geo:hasDefaultGeometry`: [point of Grand Portal](https://ontology.bommaritollc.com/id/01a0ddff-1dc3-70f0-a580-63288996132c)
- `geo:hasGeometry`: [point of Grand Portal](https://ontology.bommaritollc.com/id/01a0ddff-1dc3-70f0-a580-63288996132c)
- **in watershed** (`bcgeo:inWatershed`): [Nodaway Point-Frontal Lake Superior (HUC10 0418000001)](https://ontology.bommaritollc.com/id/01a0de92-1f26-72d2-95cf-36dfd969113e)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-deea-72d1-9bd9-8d8ea9339f42)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-6c1e-76b0-85e3-b0d0b1aac3e3)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-1923-71fb-aada-d53e5a05907d)
- `schema:containedInPlace`:
  - [Alger County](https://ontology.bommaritollc.com/id/01a0ca47-5b9c-74cc-b002-8ea6888b5af8)
  - [Munising Township](https://ontology.bommaritollc.com/id/01a0ca47-722d-745a-ab73-da25b1a178d7)
- `skos:prefLabel`: Grand Portal

## Elsewhere

- [USGS GNIS 2701942](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/2701942) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=46.55333&mlon=-86.46222#map=14/46.55333/-86.46222) (46.55333, -86.46222)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=46.55333,-86.46222)
- [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-deea-72d1-9bd9-8d8f8eb68f5b.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-deea-72d1-9bd9-8d8f8eb68f5b.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-deea-72d1-9bd9-8d8f8eb68f5b.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-deea-72d1-9bd9-8d8f8eb68f5b)
Cite as: Grand Portal. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-deea-72d1-9bd9-8d8f8eb68f5b
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.