# Simpson Lake

Simpson Lake is a lake in [Groveland Township](https://ontology.bommaritollc.com/id/01a0ca47-70e3-73f6-aa93-a0f75e4ebece), [Oakland County](https://ontology.bommaritollc.com/id/01a0ca47-5d60-74ef-9e31-2c21350a4460), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (4.9 ha), in the [Swartz Creek (HUC10 0408020403)](https://ontology.bommaritollc.com/id/01a0de92-1eaa-7124-a51a-9c8bae628a65) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-c910-71fc-bae7-bb2464f9ffd0>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Oakland County](https://ontology.bommaritollc.com/id/01a0ca47-5d60-74ef-9e31-2c21350a4460) › [Groveland Township](https://ontology.bommaritollc.com/id/01a0ca47-70e3-73f6-aa93-a0f75e4ebece)

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

Location: 42.82926, -83.54579 (box -83.54864, 42.82792, -83.54370, 42.83044; west, south, east, north)

- `adms:identifier`: [gnis 637988](https://ontology.bommaritollc.com/id/01a0ddfe-c911-764a-a555-a83460c29b60)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Simpson Lake](https://ontology.bommaritollc.com/id/01a0de2c-d58d-771f-b1a3-3fd5b1937cd5)
- `geo:hasGeometry`:
  - [point of Simpson Lake](https://ontology.bommaritollc.com/id/01a0ddff-0341-72c1-858a-0b544812ec26)
  - [shape of Simpson Lake](https://ontology.bommaritollc.com/id/01a0de2c-d58d-771f-b1a3-3fd5b1937cd5)
- `geo:hasMetricArea`: 49481.3 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Swartz Creek (HUC10 0408020403)](https://ontology.bommaritollc.com/id/01a0de92-1eaa-7124-a51a-9c8bae628a65)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-c910-71fc-bae7-bb2321f11b15)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-5c20-7063-8bd7-208b2c45673a)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-1880-719f-b40f-35e51e64469d)
- `schema:containedInPlace`:
  - [Oakland County](https://ontology.bommaritollc.com/id/01a0ca47-5d60-74ef-9e31-2c21350a4460)
  - [Groveland Township](https://ontology.bommaritollc.com/id/01a0ca47-70e3-73f6-aa93-a0f75e4ebece)
- `skos:prefLabel`: Simpson Lake

## Elsewhere

- [USGS GNIS 637988](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/637988) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.82926&mlon=-83.54579#map=14/42.82926/-83.54579) (42.82926, -83.54579)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.82926,-83.54579)
- [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)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-c910-71fc-bae7-bb2464f9ffd0.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-c910-71fc-bae7-bb2464f9ffd0.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-c910-71fc-bae7-bb2464f9ffd0.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-c910-71fc-bae7-bb2464f9ffd0)
Cite as: Simpson Lake. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-c910-71fc-bae7-bb2464f9ffd0
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.