# Gyttja Lake

Gyttja Lake is a lake in [Selma Township](https://ontology.bommaritollc.com/id/01a0ca47-7a26-7762-8035-f4feaa79641b), [Wexford County](https://ontology.bommaritollc.com/id/01a0ca47-5e30-716d-bf6c-30ba405f7568), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (5.7 ha), in the [Clam River (HUC10 0406010203)](https://ontology.bommaritollc.com/id/01a0de92-1dc8-764f-823a-2de6ae667bac) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-b710-74a8-9fda-ac4379f20e0f>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Wexford County](https://ontology.bommaritollc.com/id/01a0ca47-5e30-716d-bf6c-30ba405f7568) › [Selma Township](https://ontology.bommaritollc.com/id/01a0ca47-7a26-7762-8035-f4feaa79641b)

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

Location: 44.27141, -85.48894 (box -85.49209, 44.26989, -85.48637, 44.27306; west, south, east, north)

- `adms:identifier`: [gnis 627564](https://ontology.bommaritollc.com/id/01a0ddfe-b711-7240-93e8-d1528642fdf8)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Gyttja Lake](https://ontology.bommaritollc.com/id/01a0de2c-cb05-77f1-9c1b-3b65c2e70fd0)
- `geo:hasGeometry`:
  - [point of Gyttja Lake](https://ontology.bommaritollc.com/id/01a0ddfe-ed44-76fa-a81d-274aef2316d9)
  - [shape of Gyttja Lake](https://ontology.bommaritollc.com/id/01a0de2c-cb05-77f1-9c1b-3b65c2e70fd0)
- `geo:hasMetricArea`: 56962.9 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Clam River (HUC10 0406010203)](https://ontology.bommaritollc.com/id/01a0de92-1dc8-764f-823a-2de6ae667bac)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-b710-74a8-9fda-ac421932a390)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-4e82-70c4-8865-58369367f6c0)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-176a-77fb-bec4-8c345806f5c4)
- `schema:containedInPlace`:
  - [Wexford County](https://ontology.bommaritollc.com/id/01a0ca47-5e30-716d-bf6c-30ba405f7568)
  - [Selma Township](https://ontology.bommaritollc.com/id/01a0ca47-7a26-7762-8035-f4feaa79641b)
- `skos:altLabel`: Mud Lake
- `skos:prefLabel`: Gyttja Lake

## Elsewhere

- [Wikidata Q88273287](https://www.wikidata.org/wiki/Q88273287) (proposed match (exactMatch))
- [USGS GNIS 627564](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/627564) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=44.27141&mlon=-85.48894#map=14/44.27141/-85.48894) (44.27141, -85.48894)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=44.27141,-85.48894)
- [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/Q88273287 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-74b2-7778-979e-32be1acb506d)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-b710-74a8-9fda-ac4379f20e0f.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-b710-74a8-9fda-ac4379f20e0f.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-b710-74a8-9fda-ac4379f20e0f.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-b710-74a8-9fda-ac4379f20e0f)
Cite as: Gyttja Lake. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-b710-74a8-9fda-ac4379f20e0f
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.