# Sinkhole Hill

Sinkhole Hill is a summit in [Higgins Township](https://ontology.bommaritollc.com/id/01a0ca47-7210-758e-9b36-5b8529ed045f), [Roscommon County](https://ontology.bommaritollc.com/id/01a0ca47-5e30-716d-bf6c-30c61f07cf12), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa), in the [South Branch Au Sable River (HUC10 0407000701)](https://ontology.bommaritollc.com/id/01a0de92-1e3e-7074-872a-9781f7b0937b) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-c917-778d-945e-9ac30c81e6b7>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Roscommon County](https://ontology.bommaritollc.com/id/01a0ca47-5e30-716d-bf6c-30c61f07cf12) › [Higgins Township](https://ontology.bommaritollc.com/id/01a0ca47-7210-758e-9b36-5b8529ed045f)

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

Location: 44.46348, -84.55438 (box -84.55438, 44.46348, -84.55438, 44.46348; west, south, east, north)

- `adms:identifier`: [gnis 638003](https://ontology.bommaritollc.com/id/01a0ddfe-c918-72a1-9511-1e419e87dd46)
- `dcterms:type`: [summit](https://ontology.bommaritollc.com/vocab/geo/gnisSummit)
- `geo:hasDefaultGeometry`: [point of Sinkhole Hill](https://ontology.bommaritollc.com/id/01a0ddff-0345-7229-91ab-6c76c937e531)
- `geo:hasGeometry`: [point of Sinkhole Hill](https://ontology.bommaritollc.com/id/01a0ddff-0345-7229-91ab-6c76c937e531)
- **in watershed** (`bcgeo:inWatershed`): [South Branch Au Sable River (HUC10 0407000701)](https://ontology.bommaritollc.com/id/01a0de92-1e3e-7074-872a-9781f7b0937b)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-c917-778d-945e-9ac2e18ce69b)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-5c26-729e-8db1-569d9b022f4b)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-1800-7312-aacc-e9b0f165f65a)
- `schema:containedInPlace`:
  - [Roscommon County](https://ontology.bommaritollc.com/id/01a0ca47-5e30-716d-bf6c-30c61f07cf12)
  - [Higgins Township](https://ontology.bommaritollc.com/id/01a0ca47-7210-758e-9b36-5b8529ed045f)
- `skos:prefLabel`: Sinkhole Hill

## Elsewhere

- [Wikidata Q33147856](https://www.wikidata.org/wiki/Q33147856) (proposed match (exactMatch))
- [USGS GNIS 638003](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/638003) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=44.46348&mlon=-84.55438#map=14/44.46348/-84.55438) (44.46348, -84.55438)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=44.46348,-84.55438)
- [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/Q33147856 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-7716-74a9-b43b-f72a82bd1571)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-c917-778d-945e-9ac30c81e6b7.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-c917-778d-945e-9ac30c81e6b7.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-c917-778d-945e-9ac30c81e6b7.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-c917-778d-945e-9ac30c81e6b7)
Cite as: Sinkhole Hill. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-c917-778d-945e-9ac30c81e6b7
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.