# Blackhawk Pond

Blackhawk Pond is a lake in [Coldwater Township](https://ontology.bommaritollc.com/id/01a0ca47-6d8f-74b7-abb3-304cdb8c6a28), [Branch County](https://ontology.bommaritollc.com/id/01a0ca47-5a46-7564-a1ca-980f16f909b8), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (12.2 ha), in the [Coldwater River (HUC10 0405000101)](https://ontology.bommaritollc.com/id/01a0de92-1d0a-7237-b984-9360a29d11d1) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-ac74-7555-b322-8629a69095d3>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Branch County](https://ontology.bommaritollc.com/id/01a0ca47-5a46-7564-a1ca-980f16f909b8) › [Coldwater Township](https://ontology.bommaritollc.com/id/01a0ca47-6d8f-74b7-abb3-304cdb8c6a28)

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

Location: 41.91077, -85.04720 (box -85.04849, 41.90409, -85.04590, 41.91589; west, south, east, north)

- `adms:identifier`: [gnis 621540](https://ontology.bommaritollc.com/id/01a0ddfe-ac75-74e9-b97b-9a59644b0569)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Blackhawk Pond](https://ontology.bommaritollc.com/id/01a0de2c-c505-7211-98db-34903833156e)
- `geo:hasGeometry`:
  - [point of Blackhawk Pond](https://ontology.bommaritollc.com/id/01a0ddfe-e2ff-7006-8a95-1744aaf96f55)
  - [shape of Blackhawk Pond](https://ontology.bommaritollc.com/id/01a0de2c-c505-7211-98db-34903833156e)
- `geo:hasMetricArea`: 122204.0 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Coldwater River (HUC10 0405000101)](https://ontology.bommaritollc.com/id/01a0de92-1d0a-7237-b984-9360a29d11d1)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-ac74-7555-b322-8628edaeba2f)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-464b-7147-9505-9d3c4a570a4b)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-167c-7448-86a6-ce699455c301)
- `schema:containedInPlace`:
  - [Branch County](https://ontology.bommaritollc.com/id/01a0ca47-5a46-7564-a1ca-980f16f909b8)
  - [Coldwater Township](https://ontology.bommaritollc.com/id/01a0ca47-6d8f-74b7-abb3-304cdb8c6a28)
- `skos:altLabel`: Blackhawk Millpond
- `skos:prefLabel`: Blackhawk Pond

## Elsewhere

- [Wikidata Q33232709](https://www.wikidata.org/wiki/Q33232709) (proposed match (exactMatch))
- [USGS GNIS 621540](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/621540) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=41.91077&mlon=-85.04720#map=14/41.91077/-85.04720) (41.91077, -85.04720)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=41.91077,-85.04720)
- [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/Q33232709 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-7388-75cf-8d71-5b2771a6dfbd)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-ac74-7555-b322-8629a69095d3.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-ac74-7555-b322-8629a69095d3.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-ac74-7555-b322-8629a69095d3.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-ac74-7555-b322-8629a69095d3)
Cite as: Blackhawk Pond. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-ac74-7555-b322-8629a69095d3
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.