# Hartman Lake

Hartman Lake is a lake in [Aetna Township](https://ontology.bommaritollc.com/id/01a0ca47-6adc-7703-af96-1cde2a01bf31), [Mecosta County](https://ontology.bommaritollc.com/id/01a0ca47-5950-7191-8721-78134ddd2993), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (1.1 ha), in the [Hardy Dam Pond-Muskegon River (HUC10 0406010207)](https://ontology.bommaritollc.com/id/01a0de92-1dd1-7009-a11d-d224a1e2ae60) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-b7cd-7361-b0a1-2a46470d4120>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Mecosta County](https://ontology.bommaritollc.com/id/01a0ca47-5950-7191-8721-78134ddd2993) › [Aetna Township](https://ontology.bommaritollc.com/id/01a0ca47-6adc-7703-af96-1cde2a01bf31)

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

Location: 43.53757, -85.50479 (box -85.50541, 43.53695, -85.50407, 43.53854; west, south, east, north)

- `adms:identifier`: [gnis 627887](https://ontology.bommaritollc.com/id/01a0ddfe-b7ce-715e-aa62-3e3301dc627a)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Hartman Lake](https://ontology.bommaritollc.com/id/01a0de2c-cb90-76eb-9acf-bf5f76d72be3)
- `geo:hasGeometry`:
  - [point of Hartman Lake](https://ontology.bommaritollc.com/id/01a0ddfe-ed89-75f7-a113-cbe3fee7ca79)
  - [shape of Hartman Lake](https://ontology.bommaritollc.com/id/01a0de2c-cb90-76eb-9acf-bf5f76d72be3)
- `geo:hasMetricArea`: 10650.3 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Hardy Dam Pond-Muskegon River (HUC10 0406010207)](https://ontology.bommaritollc.com/id/01a0de92-1dd1-7009-a11d-d224a1e2ae60)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-b7cd-7361-b0a1-2a45a54bfca6)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-4ee9-762f-96b7-2fb4c3d379b0)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-1776-773a-b467-1046e92268d0)
- `schema:containedInPlace`:
  - [Mecosta County](https://ontology.bommaritollc.com/id/01a0ca47-5950-7191-8721-78134ddd2993)
  - [Aetna Township](https://ontology.bommaritollc.com/id/01a0ca47-6adc-7703-af96-1cde2a01bf31)
- `skos:prefLabel`: Hartman Lake

## Elsewhere

- [Wikidata Q88273401](https://www.wikidata.org/wiki/Q88273401) (proposed match (exactMatch))
- [USGS GNIS 627887](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/627887) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=43.53757&mlon=-85.50479#map=14/43.53757/-85.50479) (43.53757, -85.50479)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=43.53757,-85.50479)
- [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/Q88273401 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-74ba-77ae-a02d-ccc8e50ae546)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-b7cd-7361-b0a1-2a46470d4120.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-b7cd-7361-b0a1-2a46470d4120.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-b7cd-7361-b0a1-2a46470d4120.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-b7cd-7361-b0a1-2a46470d4120)
Cite as: Hartman Lake. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-b7cd-7361-b0a1-2a46470d4120
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.