# Bly Lake

Bly Lake is a lake in [Brookfield Township](https://ontology.bommaritollc.com/id/01a0ca47-6c4f-7718-b9a5-6130a5aa0d0f), [Eaton County](https://ontology.bommaritollc.com/id/01a0ca47-5c49-7758-9d39-63fa1d7da090), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (10.3 ha), in the [Spring Brook-Grand River (HUC10 0405000403)](https://ontology.bommaritollc.com/id/01a0de92-1d67-760c-87a2-312c83c39671) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-acad-760e-aac0-277564ff50b4>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Eaton County](https://ontology.bommaritollc.com/id/01a0ca47-5c49-7758-9d39-63fa1d7da090) › [Brookfield Township](https://ontology.bommaritollc.com/id/01a0ca47-6c4f-7718-b9a5-6130a5aa0d0f)

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

Location: 42.46976, -84.72530 (box -84.72701, 42.46750, -84.72328, 42.47180; west, south, east, north)

- `adms:identifier`: [gnis 621660](https://ontology.bommaritollc.com/id/01a0ddfe-acad-760e-aac0-277e646393f6)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Bly Lake](https://ontology.bommaritollc.com/id/01a0de2c-c524-719a-9a04-5ae3fc094aae)
- `geo:hasGeometry`:
  - [point of Bly Lake](https://ontology.bommaritollc.com/id/01a0ddfe-e31a-755c-b6c7-e24a923ee389)
  - [shape of Bly Lake](https://ontology.bommaritollc.com/id/01a0de2c-c524-719a-9a04-5ae3fc094aae)
- `geo:hasMetricArea`: 102585.6 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Spring Brook-Grand River (HUC10 0405000403)](https://ontology.bommaritollc.com/id/01a0de92-1d67-760c-87a2-312c83c39671)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-acad-760e-aac0-2774162ae161)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-4670-741b-b5cc-3b4cf21785b0)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-16f4-720f-8afa-9ad1581a71a8)
- `schema:containedInPlace`:
  - [Eaton County](https://ontology.bommaritollc.com/id/01a0ca47-5c49-7758-9d39-63fa1d7da090)
  - [Brookfield Township](https://ontology.bommaritollc.com/id/01a0ca47-6c4f-7718-b9a5-6130a5aa0d0f)
- `skos:prefLabel`: Bly Lake

## Elsewhere

- [Wikidata Q33233106](https://www.wikidata.org/wiki/Q33233106) (proposed match (exactMatch))
- [USGS GNIS 621660](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/621660) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.46976&mlon=-84.72530#map=14/42.46976/-84.72530) (42.46976, -84.72530)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.46976,-84.72530)
- [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/Q33233106 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-738c-730d-891e-8a76605671a7)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-acad-760e-aac0-277564ff50b4.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-acad-760e-aac0-277564ff50b4.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-acad-760e-aac0-277564ff50b4.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-acad-760e-aac0-277564ff50b4)
Cite as: Bly Lake. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-acad-760e-aac0-277564ff50b4
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.