# Marker Lake

Marker Lake is a lake in [Boston Township](https://ontology.bommaritollc.com/id/01a0ca47-6c37-7399-8b51-7a700c28e976), [Ionia County](https://ontology.bommaritollc.com/id/01a0ca47-5954-7486-8da7-cf139a6f86f8), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (4.1 ha), in the [Prairie Creek-Grand River (HUC10 0405000603)](https://ontology.bommaritollc.com/id/01a0de92-1d89-778e-b3bb-8163d0d5cb0d) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-be52-7265-a9af-4cc78d88f29f>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Ionia County](https://ontology.bommaritollc.com/id/01a0ca47-5954-7486-8da7-cf139a6f86f8) › [Boston Township](https://ontology.bommaritollc.com/id/01a0ca47-6c37-7399-8b51-7a700c28e976)

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

Location: 42.88384, -85.21568 (box -85.21818, 42.88323, -85.21377, 42.88484; west, south, east, north)

- `adms:identifier`: [gnis 631574](https://ontology.bommaritollc.com/id/01a0ddfe-be53-722d-8d7e-e23c43fbd2e6)
- `dcterms:type`: [lake](https://ontology.bommaritollc.com/vocab/geo/gnisLake)
- `geo:hasDefaultGeometry`: [shape of Marker Lake](https://ontology.bommaritollc.com/id/01a0de2c-cf42-7384-bec3-30bf16fec467)
- `geo:hasGeometry`:
  - [point of Marker Lake](https://ontology.bommaritollc.com/id/01a0ddfe-f564-750c-ac02-6315f1848985)
  - [shape of Marker Lake](https://ontology.bommaritollc.com/id/01a0de2c-cf42-7384-bec3-30bf16fec467)
- `geo:hasMetricArea`: 40704.6 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Prairie Creek-Grand River (HUC10 0405000603)](https://ontology.bommaritollc.com/id/01a0de92-1d89-778e-b3bb-8163d0d5cb0d)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-be52-7265-a9af-4cc6dd46df9c)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-53c5-726a-b25e-4287cf342878)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-1721-7719-9def-60d6d90ad86f)
- `schema:containedInPlace`:
  - [Ionia County](https://ontology.bommaritollc.com/id/01a0ca47-5954-7486-8da7-cf139a6f86f8)
  - [Boston Township](https://ontology.bommaritollc.com/id/01a0ca47-6c37-7399-8b51-7a700c28e976)
- `skos:prefLabel`: Marker Lake

## Elsewhere

- [Wikidata Q33287629](https://www.wikidata.org/wiki/Q33287629) (proposed match (exactMatch))
- [USGS GNIS 631574](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/631574) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.88384&mlon=-85.21568#map=14/42.88384/-85.21568) (42.88384, -85.21568)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.88384,-85.21568)
- [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/Q33287629 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-75fc-7770-863c-6c0cce88dae5)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-be52-7265-a9af-4cc78d88f29f.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-be52-7265-a9af-4cc78d88f29f.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-be52-7265-a9af-4cc78d88f29f.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-be52-7265-a9af-4cc78d88f29f)
Cite as: Marker Lake. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-be52-7265-a9af-4cc78d88f29f
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.