# Gadwall Lake

Gadwall Lake is a lake in [Iron River Township](https://ontology.bommaritollc.com/id/01a0ca47-75b0-718d-b8b9-3dde7313f6cf), [Iron County](https://ontology.bommaritollc.com/id/01a0ca47-5d5f-72de-884a-05f1bce2283a), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (2.0 ha), in the [Iron River-Brule River (HUC10 0403010603)](https://ontology.bommaritollc.com/id/01a0de92-1c9a-747d-8dd3-435800becf6f) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-d3ff-7609-bb88-e91ee2d321c5>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Iron County](https://ontology.bommaritollc.com/id/01a0ca47-5d5f-72de-884a-05f1bce2283a) › [Iron River Township](https://ontology.bommaritollc.com/id/01a0ca47-75b0-718d-b8b9-3dde7313f6cf)

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

Location: 46.09969, -88.86209 (box -88.86320, 46.09909, -88.86106, 46.10030; west, south, east, north)

- `adms:identifier`: [gnis 1619983](https://ontology.bommaritollc.com/id/01a0ddfe-d3ff-7609-bb88-e927bceeab04)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Gadwall Lake](https://ontology.bommaritollc.com/id/01a0de2c-dbe5-71fb-800e-365707de8346)
- `geo:hasGeometry`:
  - [point of Gadwall Lake](https://ontology.bommaritollc.com/id/01a0ddff-10d8-77a7-aa07-4e363fcc8c1d)
  - [shape of Gadwall Lake](https://ontology.bommaritollc.com/id/01a0de2c-dbe5-71fb-800e-365707de8346)
- `geo:hasMetricArea`: 19518.2 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Iron River-Brule River (HUC10 0403010603)](https://ontology.bommaritollc.com/id/01a0de92-1c9a-747d-8dd3-435800becf6f)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-d3fe-7579-88d7-1f947f6458c0)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-6464-70d7-ae13-4e3df2d0d21a)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-15f2-7719-bbf8-ea4e961f3a4d)
- `schema:containedInPlace`:
  - [Iron County](https://ontology.bommaritollc.com/id/01a0ca47-5d5f-72de-884a-05f1bce2283a)
  - [Iron River Township](https://ontology.bommaritollc.com/id/01a0ca47-75b0-718d-b8b9-3dde7313f6cf)
- `skos:prefLabel`: Gadwall Lake

## Elsewhere

- [Wikidata Q88278069](https://www.wikidata.org/wiki/Q88278069) (proposed match (exactMatch))
- [USGS GNIS 1619983](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/1619983) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=46.09969&mlon=-88.86209#map=14/46.09969/-88.86209) (46.09969, -88.86209)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=46.09969,-88.86209)
- [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/Q88278069 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-78e4-7639-98dd-2f59175f8cc1)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-d3ff-7609-bb88-e91ee2d321c5.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-d3ff-7609-bb88-e91ee2d321c5.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-d3ff-7609-bb88-e91ee2d321c5.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-d3ff-7609-bb88-e91ee2d321c5)
Cite as: Gadwall Lake. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-d3ff-7609-bb88-e91ee2d321c5
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.