# Black Marsh

Black Marsh is a swamp in [Emmett Charter Township](https://ontology.bommaritollc.com/id/01a0ca47-60d7-737a-8b1d-1eb0ec72f1c4), [Calhoun County](https://ontology.bommaritollc.com/id/01a0ca47-5a15-72c0-b651-f41dde71a12f), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa), in the [Minges Brook-Kalamazoo River (HUC10 0405000304)](https://ontology.bommaritollc.com/id/01a0de92-1d50-73ff-9d6c-a7946c24efe9) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-ac67-7355-a422-6998ae7a51a0>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Calhoun County](https://ontology.bommaritollc.com/id/01a0ca47-5a15-72c0-b651-f41dde71a12f) › [Emmett Charter Township](https://ontology.bommaritollc.com/id/01a0ca47-60d7-737a-8b1d-1eb0ec72f1c4)

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

Location: 42.33115, -85.06749 (box -85.06749, 42.33115, -85.06749, 42.33115; west, south, east, north)

- `adms:identifier`: [gnis 621520](https://ontology.bommaritollc.com/id/01a0ddfe-ac68-7683-9253-6bb2e1107174)
- `dcterms:type`: [swamp](https://ontology.bommaritollc.com/vocab/geo/gnisSwamp)
- `geo:hasDefaultGeometry`: [point of Black Marsh](https://ontology.bommaritollc.com/id/01a0ddfe-e2f9-701c-bd5d-fd2b4eb86867)
- `geo:hasGeometry`: [point of Black Marsh](https://ontology.bommaritollc.com/id/01a0ddfe-e2f9-701c-bd5d-fd2b4eb86867)
- **in watershed** (`bcgeo:inWatershed`): [Minges Brook-Kalamazoo River (HUC10 0405000304)](https://ontology.bommaritollc.com/id/01a0de92-1d50-73ff-9d6c-a7946c24efe9)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-ac67-7355-a422-6997c3686c7e)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-4644-705a-8727-8aca53ae1263)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-16d3-72eb-b0b6-7b311ddd4caf)
- `schema:containedInPlace`:
  - [Calhoun County](https://ontology.bommaritollc.com/id/01a0ca47-5a15-72c0-b651-f41dde71a12f)
  - [Emmett Charter Township](https://ontology.bommaritollc.com/id/01a0ca47-60d7-737a-8b1d-1eb0ec72f1c4)
- `skos:prefLabel`: Black Marsh

## Elsewhere

- [Wikidata Q33173028](https://www.wikidata.org/wiki/Q33173028) (proposed match (exactMatch))
- [USGS GNIS 621520](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/621520) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.33115&mlon=-85.06749#map=14/42.33115/-85.06749) (42.33115, -85.06749)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.33115,-85.06749)
- [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/Q33173028 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-7387-709e-8fde-a36fa4926bf4)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-ac67-7355-a422-6998ae7a51a0.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-ac67-7355-a422-6998ae7a51a0.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-ac67-7355-a422-6998ae7a51a0.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-ac67-7355-a422-6998ae7a51a0)
Cite as: Black Marsh. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-ac67-7355-a422-6998ae7a51a0
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.