# Darkeys Marsh

Darkeys Marsh is a swamp in [Lake Township](https://ontology.bommaritollc.com/id/01a0ca47-7030-7313-8ef0-aa5937b2d393), [Lake County](https://ontology.bommaritollc.com/id/01a0ca47-5872-7215-a416-09517ba59c7c), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa), 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-d355-77f9-bd26-339f3aa9cbab>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Lake County](https://ontology.bommaritollc.com/id/01a0ca47-5872-7215-a416-09517ba59c7c) › [Lake Township](https://ontology.bommaritollc.com/id/01a0ca47-7030-7313-8ef0-aa5937b2d393)

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

Location: 43.82417, -86.02572 (box -86.02572, 43.82417, -86.02572, 43.82417; west, south, east, north)

- `adms:identifier`: [gnis 1619662](https://ontology.bommaritollc.com/id/01a0ddfe-d356-7516-9bdb-ef3a2513aad7)
- `dcterms:type`: [swamp](https://ontology.bommaritollc.com/vocab/geo/gnisSwamp)
- `geo:hasDefaultGeometry`: [point of Darkeys Marsh](https://ontology.bommaritollc.com/id/01a0ddff-0ebe-72c8-b366-6058cebe3cc0)
- `geo:hasGeometry`: [point of Darkeys Marsh](https://ontology.bommaritollc.com/id/01a0ddff-0ebe-72c8-b366-6058cebe3cc0)
- **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-d355-77f9-bd26-339e77540669)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-63df-7594-8bd6-d5aae93f3a5e)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-174b-755f-af1c-eb2266de9fc1)
- `schema:containedInPlace`:
  - [Lake County](https://ontology.bommaritollc.com/id/01a0ca47-5872-7215-a416-09517ba59c7c)
  - [Lake Township](https://ontology.bommaritollc.com/id/01a0ca47-7030-7313-8ef0-aa5937b2d393)
- `skos:prefLabel`: Darkeys Marsh

## Elsewhere

- [Wikidata Q33174080](https://www.wikidata.org/wiki/Q33174080) (proposed match (exactMatch))
- [USGS GNIS 1619662](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/1619662) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=43.82417&mlon=-86.02572#map=14/43.82417/-86.02572) (43.82417, -86.02572)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=43.82417,-86.02572)
- [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/Q33174080 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-78d9-7221-8496-637d9a6ab930)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-d355-77f9-bd26-339f3aa9cbab.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-d355-77f9-bd26-339f3aa9cbab.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-d355-77f9-bd26-339f3aa9cbab.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-d355-77f9-bd26-339f3aa9cbab)
Cite as: Darkeys Marsh. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-d355-77f9-bd26-339f3aa9cbab
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.