# Flat Iron Lake

Flat Iron Lake is a lake in [Oakfield Township](https://ontology.bommaritollc.com/id/01a0ca47-7820-774f-95e6-152d59e98c0d), [Kent County](https://ontology.bommaritollc.com/id/01a0ca47-5952-7651-8dce-d1376a72c2a4), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (9.8 ha), in the [Flat River (HUC10 0405000602)](https://ontology.bommaritollc.com/id/01a0de92-1d87-7672-b8bb-dc3da2297c6b) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-b4b4-705d-858b-f69806fab0a3>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Kent County](https://ontology.bommaritollc.com/id/01a0ca47-5952-7651-8dce-d1376a72c2a4) › [Oakfield Township](https://ontology.bommaritollc.com/id/01a0ca47-7820-774f-95e6-152d59e98c0d)

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

Location: 43.12324, -85.38478 (box -85.38706, 43.12030, -85.38258, 43.12534; west, south, east, north)

- `adms:identifier`: [gnis 626142](https://ontology.bommaritollc.com/id/01a0ddfe-b4b4-705d-858b-f6a1d4cb1506)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Flat Iron Lake](https://ontology.bommaritollc.com/id/01a0de2c-c9ae-7725-8b3d-6da9ec8e4aab)
- `geo:hasGeometry`:
  - [point of Flat Iron Lake](https://ontology.bommaritollc.com/id/01a0ddfe-ea1e-74e5-a7db-120fccb09cbe)
  - [shape of Flat Iron Lake](https://ontology.bommaritollc.com/id/01a0de2c-c9ae-7725-8b3d-6da9ec8e4aab)
- `geo:hasMetricArea`: 98402.9 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Flat River (HUC10 0405000602)](https://ontology.bommaritollc.com/id/01a0de92-1d87-7672-b8bb-dc3da2297c6b)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-b4b3-75a2-a9a5-90cc182d1415)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-4c77-72b3-9afe-cb5c1d2a42fa)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-171d-771a-beb0-e9401cde0f93)
- `schema:containedInPlace`:
  - [Kent County](https://ontology.bommaritollc.com/id/01a0ca47-5952-7651-8dce-d1376a72c2a4)
  - [Oakfield Township](https://ontology.bommaritollc.com/id/01a0ca47-7820-774f-95e6-152d59e98c0d)
- `skos:prefLabel`: Flat Iron Lake

## Elsewhere

- [Wikidata Q33252821](https://www.wikidata.org/wiki/Q33252821) (proposed match (exactMatch))
- [USGS GNIS 626142](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/626142) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=43.12324&mlon=-85.38478#map=14/43.12324/-85.38478) (43.12324, -85.38478)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=43.12324,-85.38478)
- [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/Q33252821 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-748d-74b1-bb2a-db459d209bc6)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-b4b4-705d-858b-f69806fab0a3.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-b4b4-705d-858b-f69806fab0a3.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-b4b4-705d-858b-f69806fab0a3.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-b4b4-705d-858b-f69806fab0a3)
Cite as: Flat Iron Lake. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-b4b4-705d-858b-f69806fab0a3
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.