# Tonkowa Lake

Tonkowa Lake is a lake in [Forsyth Township](https://ontology.bommaritollc.com/id/01a0ca47-6f6d-70e4-8bb0-ea3211ef0914), [Marquette County](https://ontology.bommaritollc.com/id/01a0ca47-5d65-70a2-917a-e4b27fa24d91), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa), in the [Escanabe River (HUC10 0403011003)](https://ontology.bommaritollc.com/id/01a0de92-1cd6-774c-9917-4a87e6cdc293) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-ccbe-75b6-adaf-9073aaecf68b>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Marquette County](https://ontology.bommaritollc.com/id/01a0ca47-5d65-70a2-917a-e4b27fa24d91) › [Forsyth Township](https://ontology.bommaritollc.com/id/01a0ca47-6f6d-70e4-8bb0-ea3211ef0914)

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

Location: 46.24356, -87.49125 (box -87.49125, 46.24356, -87.49125, 46.24356; west, south, east, north)

- `adms:identifier`: [gnis 1614954](https://ontology.bommaritollc.com/id/01a0ddfe-ccbe-75b6-adaf-907c9a23453b)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [point of Tonkowa Lake](https://ontology.bommaritollc.com/id/01a0ddff-0696-70a7-a401-48a11248a85b)
- `geo:hasGeometry`: [point of Tonkowa Lake](https://ontology.bommaritollc.com/id/01a0ddff-0696-70a7-a401-48a11248a85b)
- **in watershed** (`bcgeo:inWatershed`): [Escanabe River (HUC10 0403011003)](https://ontology.bommaritollc.com/id/01a0de92-1cd6-774c-9917-4a87e6cdc293)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-ccbe-75b6-adaf-9072584c035d)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-5ef4-702b-ba8c-25ac0526840b)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-163a-723d-9aaa-8795e7578f2d)
- `schema:containedInPlace`:
  - [Marquette County](https://ontology.bommaritollc.com/id/01a0ca47-5d65-70a2-917a-e4b27fa24d91)
  - [Forsyth Township](https://ontology.bommaritollc.com/id/01a0ca47-6f6d-70e4-8bb0-ea3211ef0914)
- `skos:prefLabel`: Tonkowa Lake

## Elsewhere

- [Wikidata Q33316720](https://www.wikidata.org/wiki/Q33316720) (proposed match (exactMatch))
- [USGS GNIS 1614954](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/1614954) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=46.24356&mlon=-87.49125#map=14/46.24356/-87.49125) (46.24356, -87.49125)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=46.24356,-87.49125)
- [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/Q33316720 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-77dd-7444-bf9a-f0ef1de8524b)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-ccbe-75b6-adaf-9073aaecf68b.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-ccbe-75b6-adaf-9073aaecf68b.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-ccbe-75b6-adaf-9073aaecf68b.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-ccbe-75b6-adaf-9073aaecf68b)
Cite as: Tonkowa Lake. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-ccbe-75b6-adaf-9073aaecf68b
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.