# Isaac Lake

Isaac Lake is a lake in [Lilley Township](https://ontology.bommaritollc.com/id/01a0ca47-724d-7688-ab61-9d8cf3114427), [Newaygo County](https://ontology.bommaritollc.com/id/01a0ca47-594f-76a5-9e3b-ed2eb9298a15), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (9.6 ha), in the [Big South Branch Pere Marquette River (HUC10 0406010104)](https://ontology.bommaritollc.com/id/01a0de92-1dab-7663-ab75-b6f88868e731) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-d4f3-7598-ac95-d1cdb87c9fde>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Newaygo County](https://ontology.bommaritollc.com/id/01a0ca47-594f-76a5-9e3b-ed2eb9298a15) › [Lilley Township](https://ontology.bommaritollc.com/id/01a0ca47-724d-7688-ab61-9d8cf3114427)

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

Location: 43.74929, -85.86642 (box -85.86827, 43.74672, -85.86418, 43.75170; west, south, east, north)

- `adms:identifier`: [gnis 1620330](https://ontology.bommaritollc.com/id/01a0ddfe-d4f4-71eb-8a65-a1c9c55a0ea5)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Isaac Lake](https://ontology.bommaritollc.com/id/01a0de2c-dca6-76a8-9e4f-2bd48f83dbba)
- `geo:hasGeometry`:
  - [point of Isaac Lake](https://ontology.bommaritollc.com/id/01a0ddff-1134-73a6-ba3b-998a8bf5748a)
  - [shape of Isaac Lake](https://ontology.bommaritollc.com/id/01a0de2c-dca6-76a8-9e4f-2bd48f83dbba)
- `geo:hasMetricArea`: 96063.8 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Big South Branch Pere Marquette River (HUC10 0406010104)](https://ontology.bommaritollc.com/id/01a0de92-1dab-7663-ab75-b6f88868e731)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-d4f3-7598-ac95-d1ccb4c2b520)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-6538-751e-b597-54742b6baa5d)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-174b-755f-af1c-eb2266de9fc1)
- `schema:containedInPlace`:
  - [Newaygo County](https://ontology.bommaritollc.com/id/01a0ca47-594f-76a5-9e3b-ed2eb9298a15)
  - [Lilley Township](https://ontology.bommaritollc.com/id/01a0ca47-724d-7688-ab61-9d8cf3114427)
- `skos:prefLabel`: Isaac Lake

## Elsewhere

- [Wikidata Q88278602](https://www.wikidata.org/wiki/Q88278602) (proposed match (exactMatch))
- [USGS GNIS 1620330](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/1620330) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=43.74929&mlon=-85.86642#map=14/43.74929/-85.86642) (43.74929, -85.86642)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=43.74929,-85.86642)
- [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/Q88278602 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-78ef-70f4-8982-98807adb415d)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-d4f3-7598-ac95-d1cdb87c9fde.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-d4f3-7598-ac95-d1cdb87c9fde.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-d4f3-7598-ac95-d1cdb87c9fde.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-d4f3-7598-ac95-d1cdb87c9fde)
Cite as: Isaac Lake. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-d4f3-7598-ac95-d1cdb87c9fde
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.