# Crystal Lake

Crystal Lake is a lake in [Pontiac](https://ontology.bommaritollc.com/id/01a0ca47-8fe3-75e7-838b-8bbc5cb591a6), [Oakland County](https://ontology.bommaritollc.com/id/01a0ca47-5d60-74ef-9e31-2c21350a4460), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (37.9 ha), in the [Stony Creek-Clinton River (HUC10 0409000301)](https://ontology.bommaritollc.com/id/01a0de92-1ed8-74f4-892c-9874d6c42a22) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-b17b-71f8-90bb-fa8fe7b67b09>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Oakland County](https://ontology.bommaritollc.com/id/01a0ca47-5d60-74ef-9e31-2c21350a4460) › [Pontiac](https://ontology.bommaritollc.com/id/01a0ca47-8fe3-75e7-838b-8bbc5cb591a6)

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

Location: 42.62165, -83.30309 (box -83.31063, 42.61888, -83.29585, 42.62567; west, south, east, north)

- `adms:identifier`: [gnis 624173](https://ontology.bommaritollc.com/id/01a0ddfe-b17b-71f8-90bb-fa97e27ffd58)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Crystal Lake](https://ontology.bommaritollc.com/id/01a0de2c-c7ba-7051-9503-dcfc3687ddf6)
- `geo:hasGeometry`:
  - [point of Crystal Lake](https://ontology.bommaritollc.com/id/01a0ddfe-e58a-7636-9766-f2c65fd25b2a)
  - [shape of Crystal Lake](https://ontology.bommaritollc.com/id/01a0de2c-c7ba-7051-9503-dcfc3687ddf6)
- `geo:hasMetricArea`: 379041.3 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Stony Creek-Clinton River (HUC10 0409000301)](https://ontology.bommaritollc.com/id/01a0de92-1ed8-74f4-892c-9874d6c42a22)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-b17b-71f8-90bb-fa8ee41cf3d2)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-4a14-74b6-b6a3-5f9686d6976f)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-18b8-70e4-a152-18233711b762)
- `schema:containedInPlace`:
  - [Oakland County](https://ontology.bommaritollc.com/id/01a0ca47-5d60-74ef-9e31-2c21350a4460)
  - [Pontiac](https://ontology.bommaritollc.com/id/01a0ca47-8fe3-75e7-838b-8bbc5cb591a6)
- `skos:prefLabel`: Crystal Lake

## Elsewhere

- [Wikidata Q25238533](https://www.wikidata.org/wiki/Q25238533) (proposed match (exactMatch))
- [USGS GNIS 624173](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/624173) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.62165&mlon=-83.30309#map=14/42.62165/-83.30309) (42.62165, -83.30309)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.62165,-83.30309)
- [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/Q25238533 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-7454-73b4-b85f-ee7fa92808e1)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-b17b-71f8-90bb-fa8fe7b67b09.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-b17b-71f8-90bb-fa8fe7b67b09.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-b17b-71f8-90bb-fa8fe7b67b09.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-b17b-71f8-90bb-fa8fe7b67b09)
Cite as: Crystal Lake. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-b17b-71f8-90bb-fa8fe7b67b09
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.