# Sixth Spectacle Lake

Sixth Spectacle Lake is a lake in [Charlton Township](https://ontology.bommaritollc.com/id/01a0ca47-6d08-7787-aa1a-ce8259fb8a72), [Otsego County](https://ontology.bommaritollc.com/id/01a0ca47-5dbc-76a7-9cd6-a55d33bece50), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (9.3 ha), in the [North Branch Au Sable River (HUC10 0407000702)](https://ontology.bommaritollc.com/id/01a0de92-1e41-7775-935e-254be29a1796) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-c92c-7486-92aa-4b1374336d20>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Otsego County](https://ontology.bommaritollc.com/id/01a0ca47-5dbc-76a7-9cd6-a55d33bece50) › [Charlton Township](https://ontology.bommaritollc.com/id/01a0ca47-6d08-7787-aa1a-ce8259fb8a72)

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

Location: 44.88827, -84.37747 (box -84.38043, 44.88670, -84.37463, 44.88983; west, south, east, north)

- `adms:identifier`: [gnis 638044](https://ontology.bommaritollc.com/id/01a0ddfe-c92c-7486-92aa-4b1c44f891f3)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Sixth Spectacle Lake](https://ontology.bommaritollc.com/id/01a0de2c-d59d-7478-97fd-fc628b778894)
- `geo:hasGeometry`:
  - [point of Sixth Spectacle Lake](https://ontology.bommaritollc.com/id/01a0ddff-0350-7224-b4e6-fabd3ff81bc9)
  - [shape of Sixth Spectacle Lake](https://ontology.bommaritollc.com/id/01a0de2c-d59d-7478-97fd-fc628b778894)
- `geo:hasMetricArea`: 92766.3 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [North Branch Au Sable River (HUC10 0407000702)](https://ontology.bommaritollc.com/id/01a0de92-1e41-7775-935e-254be29a1796)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-c92c-7486-92aa-4b126b5c328a)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-5c34-7239-bd6d-952b9081cb8d)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-1803-7303-9b50-f00bbfd45585)
- `schema:containedInPlace`:
  - [Otsego County](https://ontology.bommaritollc.com/id/01a0ca47-5dbc-76a7-9cd6-a55d33bece50)
  - [Charlton Township](https://ontology.bommaritollc.com/id/01a0ca47-6d08-7787-aa1a-ce8259fb8a72)
- `skos:prefLabel`: Sixth Spectacle Lake

## Elsewhere

- [Wikidata Q33309075](https://www.wikidata.org/wiki/Q33309075) (proposed match (exactMatch))
- [USGS GNIS 638044](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/638044) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=44.88827&mlon=-84.37747#map=14/44.88827/-84.37747) (44.88827, -84.37747)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=44.88827,-84.37747)
- [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/Q33309075 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-7717-72fb-a528-0419a98299cd)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-c92c-7486-92aa-4b1374336d20.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-c92c-7486-92aa-4b1374336d20.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-c92c-7486-92aa-4b1374336d20.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-c92c-7486-92aa-4b1374336d20)
Cite as: Sixth Spectacle Lake. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-c92c-7486-92aa-4b1374336d20
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.