# Grass Lake

Grass Lake is a lake in [Foster Township](https://ontology.bommaritollc.com/id/01a0ca47-6f72-71f1-86f4-0d794456669a), [Ogemaw County](https://ontology.bommaritollc.com/id/01a0ca47-5e35-7243-aa75-a4128ddc7622), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (6.2 ha), in the [South Branch Au Sable River (HUC10 0407000701)](https://ontology.bommaritollc.com/id/01a0de92-1e3e-7074-872a-9781f7b0937b) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-b686-763f-a552-e0fab77a7e69>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Ogemaw County](https://ontology.bommaritollc.com/id/01a0ca47-5e35-7243-aa75-a4128ddc7622) › [Foster Township](https://ontology.bommaritollc.com/id/01a0ca47-6f72-71f1-86f4-0d794456669a)

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

Location: 44.39907, -84.29249 (box -84.29505, 44.39771, -84.29067, 44.40037; west, south, east, north)

- `adms:identifier`: [gnis 627198](https://ontology.bommaritollc.com/id/01a0ddfe-b686-763f-a552-e102778a6202)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Grass Lake](https://ontology.bommaritollc.com/id/01a0de2c-cac0-746e-8343-00d8dfbf8269)
- `geo:hasGeometry`:
  - [point of Grass Lake](https://ontology.bommaritollc.com/id/01a0ddfe-eadd-7484-a2cf-f61cb2014d5c)
  - [shape of Grass Lake](https://ontology.bommaritollc.com/id/01a0de2c-cac0-746e-8343-00d8dfbf8269)
- `geo:hasMetricArea`: 62328.9 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [South Branch Au Sable River (HUC10 0407000701)](https://ontology.bommaritollc.com/id/01a0de92-1e3e-7074-872a-9781f7b0937b)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-b686-763f-a552-e0f9221365a9)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-4dda-720f-bbc1-c5f5f9edf46c)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-1800-7312-aacc-e9b0f165f65a)
- `schema:containedInPlace`:
  - [Ogemaw County](https://ontology.bommaritollc.com/id/01a0ca47-5e35-7243-aa75-a4128ddc7622)
  - [Foster Township](https://ontology.bommaritollc.com/id/01a0ca47-6f72-71f1-86f4-0d794456669a)
- `skos:prefLabel`: Grass Lake

## Elsewhere

- [USGS GNIS 627198](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/627198) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=44.39907&mlon=-84.29249#map=14/44.39907/-84.29249) (44.39907, -84.29249)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=44.39907,-84.29249)
- [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-b686-763f-a552-e0fab77a7e69.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-b686-763f-a552-e0fab77a7e69.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-b686-763f-a552-e0fab77a7e69.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-b686-763f-a552-e0fab77a7e69)
Cite as: Grass Lake. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-b686-763f-a552-e0fab77a7e69
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.