# Spring Lake

Spring Lake is a lake in [Ontwa Township](https://ontology.bommaritollc.com/id/01a0ca47-783b-7495-b48b-28c708f9732d), [Cass County](https://ontology.bommaritollc.com/id/01a0ca47-5a46-7564-a1ca-981ba967c897), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (7.1 ha), in the [Brandywine Creek-Saint Joseph River (HUC10 0405000122)](https://ontology.bommaritollc.com/id/01a0de92-1d2d-7700-8a5f-f288dfea1ba5) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-ca40-763c-89ae-4c1173a83500>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Cass County](https://ontology.bommaritollc.com/id/01a0ca47-5a46-7564-a1ca-981ba967c897) › [Ontwa Township](https://ontology.bommaritollc.com/id/01a0ca47-783b-7495-b48b-28c708f9732d)

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

Location: 41.80602, -86.06105 (box -86.06426, 41.80449, -86.05877, 41.80759; west, south, east, north)

- `adms:identifier`: [gnis 638570](https://ontology.bommaritollc.com/id/01a0ddfe-ca40-763c-89ae-4c199643352a)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Spring Lake](https://ontology.bommaritollc.com/id/01a0de2c-d61f-7434-8ff3-9f8fb41e561b)
- `geo:hasGeometry`:
  - [point of Spring Lake](https://ontology.bommaritollc.com/id/01a0ddff-03c5-7250-9647-7a5561081d4d)
  - [shape of Spring Lake](https://ontology.bommaritollc.com/id/01a0de2c-d61f-7434-8ff3-9f8fb41e561b)
- `geo:hasMetricArea`: 70730.1 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Brandywine Creek-Saint Joseph River (HUC10 0405000122)](https://ontology.bommaritollc.com/id/01a0de92-1d2d-7700-8a5f-f288dfea1ba5)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-ca40-763c-89ae-4c1087c092ce)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-5ce2-73d1-bc06-fd083eb6765b)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-16a8-7043-b727-b1bff56e73d3)
- `schema:containedInPlace`:
  - [Cass County](https://ontology.bommaritollc.com/id/01a0ca47-5a46-7564-a1ca-981ba967c897)
  - [Ontwa Township](https://ontology.bommaritollc.com/id/01a0ca47-783b-7495-b48b-28c708f9732d)
- `skos:prefLabel`: Spring Lake

## Elsewhere

- [Wikidata Q88275898](https://www.wikidata.org/wiki/Q88275898) (proposed match (exactMatch))
- [USGS GNIS 638570](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/638570) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=41.80602&mlon=-86.06105#map=14/41.80602/-86.06105) (41.80602, -86.06105)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=41.80602,-86.06105)
- [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/Q88275898 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-7729-775f-bb61-277003f2d829)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-ca40-763c-89ae-4c1173a83500.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-ca40-763c-89ae-4c1173a83500.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-ca40-763c-89ae-4c1173a83500.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-ca40-763c-89ae-4c1173a83500)
Cite as: Spring Lake. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-ca40-763c-89ae-4c1173a83500
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.