# Slack Lake

Slack Lake is a lake in [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (21.2 ha), in the [Swartz Creek (HUC10 0408020403)](https://ontology.bommaritollc.com/id/01a0de92-1eaa-7124-a51a-9c8bae628a65) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-c93a-705c-9bc3-432b17341d4c>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa)

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

Location: 42.87203, -83.61090 (box -83.61422, 42.86880, -83.60844, 42.87548; west, south, east, north)

- `adms:identifier`: [gnis 638081](https://ontology.bommaritollc.com/id/01a0ddfe-c93b-70ab-b935-e4bcc16bdfa7)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Slack Lake](https://ontology.bommaritollc.com/id/01a0de2c-d5a8-75e5-8b88-cc4b19dc5072)
- `geo:hasGeometry`:
  - [point of Slack Lake](https://ontology.bommaritollc.com/id/01a0ddff-0358-746c-aa6d-c4eff1b9fed1)
  - [shape of Slack Lake](https://ontology.bommaritollc.com/id/01a0de2c-d5a8-75e5-8b88-cc4b19dc5072)
- `geo:hasMetricArea`: 211739.1 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Swartz Creek (HUC10 0408020403)](https://ontology.bommaritollc.com/id/01a0de92-1eaa-7124-a51a-9c8bae628a65)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-c93a-705c-9bc3-432a05ce51a3)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-5c40-729c-9daa-dcd87f91dcec)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-1880-719f-b40f-35e51e64469d)
- `schema:containedInPlace`:
  - [Genesee County](https://ontology.bommaritollc.com/id/01a0ca47-5d2e-7158-b23f-ecc65bfa094f)
  - [Oakland County](https://ontology.bommaritollc.com/id/01a0ca47-5d60-74ef-9e31-2c21350a4460)
  - [Grand Blanc Township](https://ontology.bommaritollc.com/id/01a0ca47-70a5-758a-a146-cc9c4e71f580)
  - [Holly Township](https://ontology.bommaritollc.com/id/01a0ca47-726e-70e4-b728-5db3f262314f)
- `skos:prefLabel`: Slack Lake

## Elsewhere

- [Wikidata Q88278664](https://www.wikidata.org/wiki/Q88278664) (proposed match (exactMatch))
- [USGS GNIS 638081](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/638081) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.87203&mlon=-83.61090#map=14/42.87203/-83.61090) (42.87203, -83.61090)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.87203,-83.61090)
- [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/Q88278664 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-7718-713f-99f1-698c66742363)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-c93a-705c-9bc3-432b17341d4c.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-c93a-705c-9bc3-432b17341d4c.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-c93a-705c-9bc3-432b17341d4c.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-c93a-705c-9bc3-432b17341d4c)
Cite as: Slack Lake. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-c93a-705c-9bc3-432b17341d4c
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.