# Cowham Lake

Cowham Lake is a lake in [Volinia Township](https://ontology.bommaritollc.com/id/01a0ca47-7bc7-761c-84e8-3022eaee3af3), [Cass County](https://ontology.bommaritollc.com/id/01a0ca47-5a46-7564-a1ca-981ba967c897), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (21.1 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-d686-73be-88a4-8ad07c64628d>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Cass County](https://ontology.bommaritollc.com/id/01a0ca47-5a46-7564-a1ca-981ba967c897) › [Volinia Township](https://ontology.bommaritollc.com/id/01a0ca47-7bc7-761c-84e8-3022eaee3af3)

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

Location: 42.01586, -85.88901 (box -85.89330, 42.01366, -85.88482, 42.01834; west, south, east, north)

- `adms:identifier`: [gnis 1620950](https://ontology.bommaritollc.com/id/01a0ddfe-d687-7639-838a-bdb115f11bd2)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Cowham Lake](https://ontology.bommaritollc.com/id/01a0de2c-dd94-73cf-9c2e-c569c74ac68d)
- `geo:hasGeometry`:
  - [point of Cowham Lake](https://ontology.bommaritollc.com/id/01a0ddff-139a-750a-bc33-fca7b14e08e6)
  - [shape of Cowham Lake](https://ontology.bommaritollc.com/id/01a0de2c-dd94-73cf-9c2e-c569c74ac68d)
- `geo:hasMetricArea`: 210579.5 (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-d686-73be-88a4-8acf1696dc63)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-668f-728b-85cc-5e4c659b9582)
  - [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)
  - [Volinia Township](https://ontology.bommaritollc.com/id/01a0ca47-7bc7-761c-84e8-3022eaee3af3)
- `skos:altLabel`: Mulford Lake
- `skos:prefLabel`: Cowham Lake

## Elsewhere

- [Wikidata Q33241496](https://www.wikidata.org/wiki/Q33241496) (proposed match (exactMatch))
- [USGS GNIS 1620950](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/1620950) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.01586&mlon=-85.88901#map=14/42.01586/-85.88901) (42.01586, -85.88901)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.01586,-85.88901)
- [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/Q33241496 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-790f-7378-84a9-a5a4b9976dd9)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-d686-73be-88a4-8ad07c64628d.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-d686-73be-88a4-8ad07c64628d.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-d686-73be-88a4-8ad07c64628d.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-d686-73be-88a4-8ad07c64628d)
Cite as: Cowham Lake. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-d686-73be-88a4-8ad07c64628d
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.