# Willis Lake

Willis Lake is a lake in [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (10.5 ha), in the [Battle Creek (HUC10 0405000303)](https://ontology.bommaritollc.com/id/01a0de92-1d4d-7241-b8e5-64c7ee8f24dc) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-cf4c-7380-9d4c-caa7a2e22b50>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa)

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

Location: 42.42020, -85.00952 (box -85.01137, 42.41775, -85.00766, 42.42285; west, south, east, north)

- `adms:identifier`: [gnis 1616523](https://ontology.bommaritollc.com/id/01a0ddfe-cf4f-74b8-ab41-f90e3c849dd3)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Willis Lake](https://ontology.bommaritollc.com/id/01a0de2c-d922-7191-9141-cfb2b33e44f5)
- `geo:hasGeometry`:
  - [point of Willis Lake](https://ontology.bommaritollc.com/id/01a0ddff-0b4e-74b2-95a5-b0afa0eab631)
  - [shape of Willis Lake](https://ontology.bommaritollc.com/id/01a0de2c-d922-7191-9141-cfb2b33e44f5)
- `geo:hasMetricArea`: 104804.2 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Battle Creek (HUC10 0405000303)](https://ontology.bommaritollc.com/id/01a0de92-1d4d-7241-b8e5-64c7ee8f24dc)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-cf4c-7380-9d4c-caa69b21a46a)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-60ec-75d4-aa02-fe75342ad55d)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-16cf-71b7-b6b7-16c5623ffea6)
- `schema:containedInPlace`:
  - [Calhoun County](https://ontology.bommaritollc.com/id/01a0ca47-5a15-72c0-b651-f41dde71a12f)
  - [Eaton County](https://ontology.bommaritollc.com/id/01a0ca47-5c49-7758-9d39-63fa1d7da090)
  - [Bellevue Township](https://ontology.bommaritollc.com/id/01a0ca47-6bb8-77a2-b026-a067b900a64e)
  - [Convis Township](https://ontology.bommaritollc.com/id/01a0ca47-6dad-7207-b941-c2cf34a6ddc6)
- `skos:prefLabel`: Willis Lake

## Elsewhere

- [Wikidata Q33321136](https://www.wikidata.org/wiki/Q33321136) (proposed match (exactMatch))
- [USGS GNIS 1616523](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/1616523) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.42020&mlon=-85.00952#map=14/42.42020/-85.00952) (42.42020, -85.00952)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.42020,-85.00952)
- [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/Q33321136 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-780e-73b6-981b-d53e1e98c7eb)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-cf4c-7380-9d4c-caa7a2e22b50.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-cf4c-7380-9d4c-caa7a2e22b50.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-cf4c-7380-9d4c-caa7a2e22b50.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-cf4c-7380-9d4c-caa7a2e22b50)
Cite as: Willis Lake. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-cf4c-7380-9d4c-caa7a2e22b50
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.