# Koester Lakes

Koester Lakes is a lake in [Hadley Township](https://ontology.bommaritollc.com/id/01a0ca47-70ed-77a4-8601-2549b6bcbaef), [Lapeer County](https://ontology.bommaritollc.com/id/01a0ca47-5a07-7411-967f-81e8eda85369), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (1.8 ha), in the [South Branch Flint River (HUC10 0408020401)](https://ontology.bommaritollc.com/id/01a0de92-1ea6-778a-aad6-840c06092a7a) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-bafb-75b6-99e4-a0d0751f285a>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Lapeer County](https://ontology.bommaritollc.com/id/01a0ca47-5a07-7411-967f-81e8eda85369) › [Hadley Township](https://ontology.bommaritollc.com/id/01a0ca47-70ed-77a4-8601-2549b6bcbaef)

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

Location: 42.91354, -83.41297 (box -83.41419, 42.91234, -83.41197, 42.91459; west, south, east, north)

- `adms:identifier`: [gnis 629843](https://ontology.bommaritollc.com/id/01a0ddfe-bafb-75b6-99e4-a0d9f0f6884f)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Koester Lakes](https://ontology.bommaritollc.com/id/01a0de2c-cd76-775f-80fb-9d177244469d)
- `geo:hasGeometry`:
  - [point of Koester Lakes](https://ontology.bommaritollc.com/id/01a0ddfe-f267-75cb-8ec1-664e0ff0a543)
  - [shape of Koester Lakes](https://ontology.bommaritollc.com/id/01a0de2c-cd76-775f-80fb-9d177244469d)
- `geo:hasMetricArea`: 18336.5 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [South Branch Flint River (HUC10 0408020401)](https://ontology.bommaritollc.com/id/01a0de92-1ea6-778a-aad6-840c06092a7a)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-bafb-75b6-99e4-a0cf78489c66)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-518d-7061-ac93-70c751b680ae)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-187c-7163-862e-2b73a1f553e7)
- `schema:containedInPlace`:
  - [Lapeer County](https://ontology.bommaritollc.com/id/01a0ca47-5a07-7411-967f-81e8eda85369)
  - [Hadley Township](https://ontology.bommaritollc.com/id/01a0ca47-70ed-77a4-8601-2549b6bcbaef)
- `skos:prefLabel`: Koester Lakes

## Elsewhere

- [Wikidata Q33267457](https://www.wikidata.org/wiki/Q33267457) (proposed match (exactMatch))
- [USGS GNIS 629843](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/629843) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.91354&mlon=-83.41297#map=14/42.91354/-83.41297) (42.91354, -83.41297)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.91354,-83.41297)
- [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/Q33267457 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-75c6-706d-adc5-1c84d0f4ba29)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-bafb-75b6-99e4-a0d0751f285a.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-bafb-75b6-99e4-a0d0751f285a.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-bafb-75b6-99e4-a0d0751f285a.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-bafb-75b6-99e4-a0d0751f285a)
Cite as: Koester Lakes. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-bafb-75b6-99e4-a0d0751f285a
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.