# Big Marsh Lake

Big Marsh Lake is a lake in [Convis Township](https://ontology.bommaritollc.com/id/01a0ca47-6dad-7207-b941-c2cf34a6ddc6), [Calhoun County](https://ontology.bommaritollc.com/id/01a0ca47-5a15-72c0-b651-f41dde71a12f), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (68.2 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-ac0a-7019-8fdb-5e54c8166d6e>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Calhoun County](https://ontology.bommaritollc.com/id/01a0ca47-5a15-72c0-b651-f41dde71a12f) › [Convis Township](https://ontology.bommaritollc.com/id/01a0ca47-6dad-7207-b941-c2cf34a6ddc6)

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

Location: 42.39444, -84.99271 (box -84.99873, 42.38752, -84.98678, 42.40066; west, south, east, north)

- `adms:identifier`: [gnis 621335](https://ontology.bommaritollc.com/id/01a0ddfe-ac0b-7777-bdbe-2badbac9ff9b)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Big Marsh Lake](https://ontology.bommaritollc.com/id/01a0de2c-c4d0-7189-a1d8-4f76ac3d7b24)
- `geo:hasGeometry`:
  - [point of Big Marsh Lake](https://ontology.bommaritollc.com/id/01a0ddfe-e2cb-72c5-8dcf-7d0de883505a)
  - [shape of Big Marsh Lake](https://ontology.bommaritollc.com/id/01a0de2c-c4d0-7189-a1d8-4f76ac3d7b24)
- `geo:hasMetricArea`: 682028.7 (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-ac0a-7019-8fdb-5e53aed0346b)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-4605-743c-8d78-93a696c181fc)
  - [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)
  - [Convis Township](https://ontology.bommaritollc.com/id/01a0ca47-6dad-7207-b941-c2cf34a6ddc6)
- `skos:prefLabel`: Big Marsh Lake

## Elsewhere

- [Wikidata Q33231584](https://www.wikidata.org/wiki/Q33231584) (proposed match (exactMatch))
- [USGS GNIS 621335](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/621335) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.39444&mlon=-84.99271#map=14/42.39444/-84.99271) (42.39444, -84.99271)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.39444,-84.99271)
- [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/Q33231584 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-7382-7204-a1b0-b7e2c1f6b693)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-ac0a-7019-8fdb-5e54c8166d6e.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-ac0a-7019-8fdb-5e54c8166d6e.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-ac0a-7019-8fdb-5e54c8166d6e.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-ac0a-7019-8fdb-5e54c8166d6e)
Cite as: Big Marsh Lake. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-ac0a-7019-8fdb-5e54c8166d6e
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.