# Jehnsen Lake

Jehnsen Lake is a lake in [Martiny Township](https://ontology.bommaritollc.com/id/01a0ca47-773c-73a8-a149-498f6251c444), [Mecosta County](https://ontology.bommaritollc.com/id/01a0ca47-5950-7191-8721-78134ddd2993), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (1.3 km²), in the [Little Muskegon River (HUC10 0406010208)](https://ontology.bommaritollc.com/id/01a0de92-1dd4-77e4-939f-87f5844591cf) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-b9e5-7383-a4a8-5ab85272cd84>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Mecosta County](https://ontology.bommaritollc.com/id/01a0ca47-5950-7191-8721-78134ddd2993) › [Martiny Township](https://ontology.bommaritollc.com/id/01a0ca47-773c-73a8-a149-498f6251c444)

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

Location: 43.69986, -85.26204 (box -85.27338, 43.69201, -85.25092, 43.70510; west, south, east, north)

- `adms:identifier`: [gnis 629252](https://ontology.bommaritollc.com/id/01a0ddfe-b9e6-7041-a79d-692234ed89a1)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Jehnsen Lake](https://ontology.bommaritollc.com/id/01a0de2c-cca8-711e-b4d4-2e0488f0aeed)
- `geo:hasGeometry`:
  - [point of Jehnsen Lake](https://ontology.bommaritollc.com/id/01a0ddfe-f053-75a7-965a-c74b930b47ba)
  - [shape of Jehnsen Lake](https://ontology.bommaritollc.com/id/01a0de2c-cca8-711e-b4d4-2e0488f0aeed)
- `geo:hasMetricArea`: 1280048.7 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Little Muskegon River (HUC10 0406010208)](https://ontology.bommaritollc.com/id/01a0de92-1dd4-77e4-939f-87f5844591cf)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-b9e5-7383-a4a8-5ab7a7f8a1df)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-509c-7168-94bf-83476147af9c)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-1778-75ca-b0ee-9730bcb3c638)
- `schema:containedInPlace`:
  - [Mecosta County](https://ontology.bommaritollc.com/id/01a0ca47-5950-7191-8721-78134ddd2993)
  - [Martiny Township](https://ontology.bommaritollc.com/id/01a0ca47-773c-73a8-a149-498f6251c444)
- `skos:altLabel`: Jehnzen Lake
- `skos:prefLabel`: Jehnsen Lake

## Elsewhere

- [Wikidata Q33264671](https://www.wikidata.org/wiki/Q33264671) (proposed match (exactMatch))
- [USGS GNIS 629252](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/629252) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=43.69986&mlon=-85.26204#map=14/43.69986/-85.26204) (43.69986, -85.26204)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=43.69986,-85.26204)
- [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/Q33264671 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-75b7-7228-84e7-0fe7707ebe80)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-b9e5-7383-a4a8-5ab85272cd84.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-b9e5-7383-a4a8-5ab85272cd84.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-b9e5-7383-a4a8-5ab85272cd84.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-b9e5-7383-a4a8-5ab85272cd84)
Cite as: Jehnsen Lake. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-b9e5-7383-a4a8-5ab85272cd84
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.