# Section Four Lake

Section Four Lake is a lake in [Corwith Township](https://ontology.bommaritollc.com/id/01a0ca47-69de-77d9-b665-2ec3d91b8856), [Otsego County](https://ontology.bommaritollc.com/id/01a0ca47-5dbc-76a7-9cd6-a55d33bece50), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (1.0 ha), in the [Pigeon River (HUC10 0407000403)](https://ontology.bommaritollc.com/id/01a0de92-1e1d-77c3-bca8-e5f34ca3853a) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-c810-7213-adbb-1e7eb1699bc6>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Otsego County](https://ontology.bommaritollc.com/id/01a0ca47-5dbc-76a7-9cd6-a55d33bece50) › [Corwith Township](https://ontology.bommaritollc.com/id/01a0ca47-69de-77d9-b665-2ec3d91b8856)

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

Location: 45.18952, -84.44506 (box -84.44585, 45.18917, -84.44443, 45.19002; west, south, east, north)

- `adms:identifier`: [gnis 637542](https://ontology.bommaritollc.com/id/01a0ddfe-c811-7581-833b-16a1e255c8ab)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Section Four Lake](https://ontology.bommaritollc.com/id/01a0de2c-d4d0-7651-8e54-9898abf500c7)
- `geo:hasGeometry`:
  - [point of Section Four Lake](https://ontology.bommaritollc.com/id/01a0ddff-0128-75dd-a714-9da74cabe5d6)
  - [shape of Section Four Lake](https://ontology.bommaritollc.com/id/01a0de2c-d4d0-7651-8e54-9898abf500c7)
- `geo:hasMetricArea`: 10392.3 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Pigeon River (HUC10 0407000403)](https://ontology.bommaritollc.com/id/01a0de92-1e1d-77c3-bca8-e5f34ca3853a)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-c810-7213-adbb-1e7d0db30bf4)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-5b38-76f9-9abd-ed428a188abd)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-17d3-77b3-bc4f-6b3c30297254)
- `schema:containedInPlace`:
  - [Otsego County](https://ontology.bommaritollc.com/id/01a0ca47-5dbc-76a7-9cd6-a55d33bece50)
  - [Corwith Township](https://ontology.bommaritollc.com/id/01a0ca47-69de-77d9-b665-2ec3d91b8856)
- `skos:prefLabel`: Section Four Lake

## Elsewhere

- [Wikidata Q88278220](https://www.wikidata.org/wiki/Q88278220) (proposed match (exactMatch))
- [USGS GNIS 637542](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/637542) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=45.18952&mlon=-84.44506#map=14/45.18952/-84.44506) (45.18952, -84.44506)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=45.18952,-84.44506)
- [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/Q88278220 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-770c-7163-a21a-8f61df6d4cbe)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-c810-7213-adbb-1e7eb1699bc6.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-c810-7213-adbb-1e7eb1699bc6.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-c810-7213-adbb-1e7eb1699bc6.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-c810-7213-adbb-1e7eb1699bc6)
Cite as: Section Four Lake. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-c810-7213-adbb-1e7eb1699bc6
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.