# Big Sink

Big Sink is a swamp in [Whiteford Township](https://ontology.bommaritollc.com/id/01a0ca47-846f-7509-b067-e088686f8aeb), [Monroe County](https://ontology.bommaritollc.com/id/01a0ca47-5a54-7270-b1ce-f936a07d389b), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa), in the [Ottawa River-Frontal Lake Erie (HUC10 0410000103)](https://ontology.bommaritollc.com/id/01a0de92-1ef9-72a0-8073-7071635ccedd) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-ac15-774a-8d42-202fc060637f>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Monroe County](https://ontology.bommaritollc.com/id/01a0ca47-5a54-7270-b1ce-f936a07d389b) › [Whiteford Township](https://ontology.bommaritollc.com/id/01a0ca47-846f-7509-b067-e088686f8aeb)

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

Location: 41.80755, -83.67910 (box -83.67910, 41.80755, -83.67910, 41.80755; west, south, east, north)

- `adms:identifier`: [gnis 621353](https://ontology.bommaritollc.com/id/01a0ddfe-ac16-728c-adde-5075f0ff71f8)
- `dcterms:type`: [swamp](https://ontology.bommaritollc.com/vocab/geo/gnisSwamp)
- `geo:hasDefaultGeometry`: [point of Big Sink](https://ontology.bommaritollc.com/id/01a0ddfe-e2d1-71cf-9808-6699ab3a2d33)
- `geo:hasGeometry`: [point of Big Sink](https://ontology.bommaritollc.com/id/01a0ddfe-e2d1-71cf-9808-6699ab3a2d33)
- **in watershed** (`bcgeo:inWatershed`): [Ottawa River-Frontal Lake Erie (HUC10 0410000103)](https://ontology.bommaritollc.com/id/01a0de92-1ef9-72a0-8073-7071635ccedd)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-ac15-774a-8d42-202e20077631)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-460d-768f-8e82-ed047b450a8f)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-18e7-7626-b367-30c68a8f2170)
- `schema:containedInPlace`:
  - [Monroe County](https://ontology.bommaritollc.com/id/01a0ca47-5a54-7270-b1ce-f936a07d389b)
  - [Whiteford Township](https://ontology.bommaritollc.com/id/01a0ca47-846f-7509-b067-e088686f8aeb)
- `skos:prefLabel`: Big Sink

## Elsewhere

- [Wikidata Q33172950](https://www.wikidata.org/wiki/Q33172950) (proposed match (exactMatch))
- [USGS GNIS 621353](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/621353) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=41.80755&mlon=-83.67910#map=14/41.80755/-83.67910) (41.80755, -83.67910)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=41.80755,-83.67910)
- [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/Q33172950 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-7383-75f2-8a98-ab4961dade79)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-ac15-774a-8d42-202fc060637f.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-ac15-774a-8d42-202fc060637f.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-ac15-774a-8d42-202fc060637f.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-ac15-774a-8d42-202fc060637f)
Cite as: Big Sink. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-ac15-774a-8d42-202fc060637f
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.