# Lake Twentyseven

Lake Twentyseven is a lake in [Elmira Township](https://ontology.bommaritollc.com/id/01a0ca47-6e9b-7037-bc6b-dfeef705da10), [Otsego County](https://ontology.bommaritollc.com/id/01a0ca47-5dbc-76a7-9cd6-a55d33bece50), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (42.8 ha), in the [Lake Charlevoix (HUC10 0406010502)](https://ontology.bommaritollc.com/id/01a0de92-1dfc-7562-b279-bc524f7bef75) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-cd30-70d6-86bc-2fc806b7ef36>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Otsego County](https://ontology.bommaritollc.com/id/01a0ca47-5dbc-76a7-9cd6-a55d33bece50) › [Elmira Township](https://ontology.bommaritollc.com/id/01a0ca47-6e9b-7037-bc6b-dfeef705da10)

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

Location: 45.04769, -84.78600 (box -84.79120, 45.04387, -84.78146, 45.05193; west, south, east, north)

- `adms:identifier`: [gnis 1615227](https://ontology.bommaritollc.com/id/01a0ddfe-cd31-76e1-b644-18d0724b899f)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Lake Twentyseven](https://ontology.bommaritollc.com/id/01a0de2c-d7c6-7154-b239-79d28bc63cf5)
- `geo:hasGeometry`:
  - [point of Lake Twentyseven](https://ontology.bommaritollc.com/id/01a0ddff-089a-72a4-b68d-c9eca9482371)
  - [shape of Lake Twentyseven](https://ontology.bommaritollc.com/id/01a0de2c-d7c6-7154-b239-79d28bc63cf5)
- `geo:hasMetricArea`: 427610.7 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Lake Charlevoix (HUC10 0406010502)](https://ontology.bommaritollc.com/id/01a0de92-1dfc-7562-b279-bc524f7bef75)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-cd30-70d6-86bc-2fc7214e613f)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-5f50-7240-bf69-303e7b3d454d)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-17af-75c9-b83d-c5a249d22934)
- `schema:containedInPlace`:
  - [Otsego County](https://ontology.bommaritollc.com/id/01a0ca47-5dbc-76a7-9cd6-a55d33bece50)
  - [Elmira Township](https://ontology.bommaritollc.com/id/01a0ca47-6e9b-7037-bc6b-dfeef705da10)
- `skos:prefLabel`: Lake Twentyseven

## Elsewhere

- [Wikidata Q33270897](https://www.wikidata.org/wiki/Q33270897) (proposed match (exactMatch))
- [USGS GNIS 1615227](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/1615227) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=45.04769&mlon=-84.78600#map=14/45.04769/-84.78600) (45.04769, -84.78600)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=45.04769,-84.78600)
- [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/Q33270897 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-77ef-7789-9e75-511248e311cb)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-cd30-70d6-86bc-2fc806b7ef36.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-cd30-70d6-86bc-2fc806b7ef36.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-cd30-70d6-86bc-2fc806b7ef36.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-cd30-70d6-86bc-2fc806b7ef36)
Cite as: Lake Twentyseven. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-cd30-70d6-86bc-2fc806b7ef36
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.