# Crotch Lake

Crotch Lake is a lake in [Mansfield Township](https://ontology.bommaritollc.com/id/01a0ca47-771e-7740-8eda-beab088574c8), [Iron County](https://ontology.bommaritollc.com/id/01a0ca47-5d5f-72de-884a-05f1bce2283a), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (14.4 ha), in the [Michigamme River (HUC10 0403010703)](https://ontology.bommaritollc.com/id/01a0de92-1caa-747e-98c1-ce51687a7380) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-b163-73df-8ed2-5b8528f64761>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Iron County](https://ontology.bommaritollc.com/id/01a0ca47-5d5f-72de-884a-05f1bce2283a) › [Mansfield Township](https://ontology.bommaritollc.com/id/01a0ca47-771e-7740-8eda-beab088574c8)

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

Location: 46.18509, -88.16206 (box -88.16425, 46.18311, -88.15521, 46.18871; west, south, east, north)

- `adms:identifier`: [gnis 624128](https://ontology.bommaritollc.com/id/01a0ddfe-b163-73df-8ed2-5b8ee96af33a)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Crotch Lake](https://ontology.bommaritollc.com/id/01a0de2c-c7b0-73f5-8af5-7448bf34b040)
- `geo:hasGeometry`:
  - [point of Crotch Lake](https://ontology.bommaritollc.com/id/01a0ddfe-e580-772e-8b07-d8175c3f8858)
  - [shape of Crotch Lake](https://ontology.bommaritollc.com/id/01a0de2c-c7b0-73f5-8af5-7448bf34b040)
- `geo:hasMetricArea`: 143838.0 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Michigamme River (HUC10 0403010703)](https://ontology.bommaritollc.com/id/01a0de92-1caa-747e-98c1-ce51687a7380)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-b163-73df-8ed2-5b8493282e2f)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-4a06-7543-9dd2-bf2e14761abf)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-1605-7768-8f67-31c60cd9d25d)
- `schema:containedInPlace`:
  - [Iron County](https://ontology.bommaritollc.com/id/01a0ca47-5d5f-72de-884a-05f1bce2283a)
  - [Mansfield Township](https://ontology.bommaritollc.com/id/01a0ca47-771e-7740-8eda-beab088574c8)
- `skos:prefLabel`: Crotch Lake

## Elsewhere

- [Wikidata Q33242682](https://www.wikidata.org/wiki/Q33242682) (proposed match (exactMatch))
- [USGS GNIS 624128](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/624128) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=46.18509&mlon=-88.16206#map=14/46.18509/-88.16206) (46.18509, -88.16206)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=46.18509,-88.16206)
- [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/Q33242682 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-7453-70ff-ae0e-252eeaa059ad)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-b163-73df-8ed2-5b8528f64761.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-b163-73df-8ed2-5b8528f64761.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-b163-73df-8ed2-5b8528f64761.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-b163-73df-8ed2-5b8528f64761)
Cite as: Crotch Lake. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-b163-73df-8ed2-5b8528f64761
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.