# Skyhawk Lake

Skyhawk Lake is a lake in [Cass County](https://ontology.bommaritollc.com/id/01a0ca47-5a46-7564-a1ca-981ba967c897), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (19.1 ha), in the [Rocky River (HUC10 0405000106)](https://ontology.bommaritollc.com/id/01a0de92-1d16-71e1-b2c5-5f914a5aefda) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-c935-74f7-a580-423e4e1c9c8b>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Cass County](https://ontology.bommaritollc.com/id/01a0ca47-5a46-7564-a1ca-981ba967c897)

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

Location: 41.98568, -85.81975 (box -85.82236, 41.98286, -85.81736, 41.98858; west, south, east, north)

- `adms:identifier`: [gnis 638071](https://ontology.bommaritollc.com/id/01a0ddfe-c936-7167-81fb-b164dcb30835)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Skyhawk Lake](https://ontology.bommaritollc.com/id/01a0de2c-d5a4-734b-9148-c8a083d07da8)
- `geo:hasGeometry`:
  - [point of Skyhawk Lake](https://ontology.bommaritollc.com/id/01a0ddff-0356-7146-be17-ec1e82273380)
  - [shape of Skyhawk Lake](https://ontology.bommaritollc.com/id/01a0de2c-d5a4-734b-9148-c8a083d07da8)
- `geo:hasMetricArea`: 190649.7 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Rocky River (HUC10 0405000106)](https://ontology.bommaritollc.com/id/01a0de92-1d16-71e1-b2c5-5f914a5aefda)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-c935-74f7-a580-423dc6166baa)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-5c3c-75de-8d9d-4fdb0d15335c)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-168b-701e-8c25-ac6f09858ec8)
- `schema:containedInPlace`:
  - [Cass County](https://ontology.bommaritollc.com/id/01a0ca47-5a46-7564-a1ca-981ba967c897)
  - [Marcellus Township](https://ontology.bommaritollc.com/id/01a0ca47-6066-75ee-8d22-961dde8ad120)
  - [Newberg Township](https://ontology.bommaritollc.com/id/01a0ca47-7cc8-70c9-911c-9c3ba9837ddd)
- `skos:prefLabel`: Skyhawk Lake

## Elsewhere

- [Wikidata Q33309319](https://www.wikidata.org/wiki/Q33309319) (proposed match (exactMatch))
- [USGS GNIS 638071](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/638071) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=41.98568&mlon=-85.81975#map=14/41.98568/-85.81975) (41.98568, -85.81975)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=41.98568,-85.81975)
- [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/Q33309319 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-7718-713f-99f1-697c1c4393ec)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-c935-74f7-a580-423e4e1c9c8b.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-c935-74f7-a580-423e4e1c9c8b.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-c935-74f7-a580-423e4e1c9c8b.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-c935-74f7-a580-423e4e1c9c8b)
Cite as: Skyhawk Lake. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-c935-74f7-a580-423e4e1c9c8b
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.