# Blackmer Lake

Blackmer Lake is a lake in [Otto Township](https://ontology.bommaritollc.com/id/01a0ca47-7852-7148-ab96-d26456920ccd), [Oceana County](https://ontology.bommaritollc.com/id/01a0ca47-5872-7215-a416-095c335cc049), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (4.0 ha), in the [White River (HUC10 0406010109)](https://ontology.bommaritollc.com/id/01a0de92-1dba-70e0-b54f-0fb78904b440) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-d23c-72ea-a078-9de01f3176c4>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Oceana County](https://ontology.bommaritollc.com/id/01a0ca47-5872-7215-a416-095c335cc049) › [Otto Township](https://ontology.bommaritollc.com/id/01a0ca47-7852-7148-ab96-d26456920ccd)

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

Location: 43.51017, -86.23479 (box -86.23659, 43.50940, -86.23279, 43.51103; west, south, east, north)

- `adms:identifier`: [gnis 1619243](https://ontology.bommaritollc.com/id/01a0ddfe-d23c-72ea-a078-9de96c8d75fd)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Blackmer Lake](https://ontology.bommaritollc.com/id/01a0de2c-da9b-7072-b394-dd089f0bcf2e)
- `geo:hasGeometry`:
  - [point of Blackmer Lake](https://ontology.bommaritollc.com/id/01a0ddff-0e4c-758d-9c59-33a9e2a589d9)
  - [shape of Blackmer Lake](https://ontology.bommaritollc.com/id/01a0de2c-da9b-7072-b394-dd089f0bcf2e)
- `geo:hasMetricArea`: 39503.0 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [White River (HUC10 0406010109)](https://ontology.bommaritollc.com/id/01a0de92-1dba-70e0-b54f-0fb78904b440)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-d23c-72ea-a078-9ddf59b2a2d5)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-62d1-763a-a23e-dad882c55e95)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-1758-746b-bb34-948d9edfabea)
- `schema:containedInPlace`:
  - [Oceana County](https://ontology.bommaritollc.com/id/01a0ca47-5872-7215-a416-095c335cc049)
  - [Otto Township](https://ontology.bommaritollc.com/id/01a0ca47-7852-7148-ab96-d26456920ccd)
- `skos:prefLabel`: Blackmer Lake

## Elsewhere

- [Wikidata Q88276805](https://www.wikidata.org/wiki/Q88276805) (proposed match (exactMatch))
- [USGS GNIS 1619243](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/1619243) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=43.51017&mlon=-86.23479#map=14/43.51017/-86.23479) (43.51017, -86.23479)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=43.51017,-86.23479)
- [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/Q88276805 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-7839-725d-b190-6c37c0eb17f4)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-d23c-72ea-a078-9de01f3176c4.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-d23c-72ea-a078-9de01f3176c4.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-d23c-72ea-a078-9de01f3176c4.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-d23c-72ea-a078-9de01f3176c4)
Cite as: Blackmer Lake. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-d23c-72ea-a078-9de01f3176c4
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.