# Big Williams Lake

Big Williams Lake is a lake in [Logan Township](https://ontology.bommaritollc.com/id/01a0ca47-7cdd-745b-9f83-0f07be6013bf), [Ogemaw County](https://ontology.bommaritollc.com/id/01a0ca47-5e35-7243-aa75-a4128ddc7622), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (9.7 ha), in the [Au Gres River (HUC10 0408010103)](https://ontology.bommaritollc.com/id/01a0de92-1e58-725d-a76f-cb26a05f2126) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-ac1d-77df-a62f-8459eb5f970f>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Ogemaw County](https://ontology.bommaritollc.com/id/01a0ca47-5e35-7243-aa75-a4128ddc7622) › [Logan Township](https://ontology.bommaritollc.com/id/01a0ca47-7cdd-745b-9f83-0f07be6013bf)

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

Location: 44.32812, -83.98294 (box -83.98624, 44.32681, -83.97988, 44.32938; west, south, east, north)

- `adms:identifier`: [gnis 621369](https://ontology.bommaritollc.com/id/01a0ddfe-ac1d-77df-a62f-8462665afbb5)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Big Williams Lake](https://ontology.bommaritollc.com/id/01a0de2c-c4d9-7560-86e3-0cbfe1b06d9d)
- `geo:hasGeometry`:
  - [point of Big Williams Lake](https://ontology.bommaritollc.com/id/01a0ddfe-e2d5-7048-a9d5-ead75cc39687)
  - [shape of Big Williams Lake](https://ontology.bommaritollc.com/id/01a0de2c-c4d9-7560-86e3-0cbfe1b06d9d)
- `geo:hasMetricArea`: 97178.5 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Au Gres River (HUC10 0408010103)](https://ontology.bommaritollc.com/id/01a0de92-1e58-725d-a76f-cb26a05f2126)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-ac1d-77df-a62f-845888756848)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-4612-73fa-ad57-45caaf00fc7e)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-181c-7425-b48e-b784fb848349)
- `schema:containedInPlace`:
  - [Ogemaw County](https://ontology.bommaritollc.com/id/01a0ca47-5e35-7243-aa75-a4128ddc7622)
  - [Logan Township](https://ontology.bommaritollc.com/id/01a0ca47-7cdd-745b-9f83-0f07be6013bf)
- `skos:prefLabel`: Big Williams Lake

## Elsewhere

- [Wikidata Q33231837](https://www.wikidata.org/wiki/Q33231837) (proposed match (exactMatch))
- [USGS GNIS 621369](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/621369) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=44.32812&mlon=-83.98294#map=14/44.32812/-83.98294) (44.32812, -83.98294)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=44.32812,-83.98294)
- [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/Q33231837 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-7383-75f2-8a98-ab5f174a13fd)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-ac1d-77df-a62f-8459eb5f970f.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-ac1d-77df-a62f-8459eb5f970f.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-ac1d-77df-a62f-8459eb5f970f.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-ac1d-77df-a62f-8459eb5f970f)
Cite as: Big Williams Lake. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-ac1d-77df-a62f-8459eb5f970f
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.