# Dyckman Swamp

Dyckman Swamp is a swamp in [South Haven Charter Township](https://ontology.bommaritollc.com/id/01a0ca47-7a71-7491-8d8e-0c20621fd60a), [Van Buren County](https://ontology.bommaritollc.com/id/01a0ca47-5a15-72c0-b651-f4281d0bb13f), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa), in the [Brandywine Creek-Frontal Lake Michigan (HUC10 0405000201)](https://ontology.bommaritollc.com/id/01a0de92-1d3b-74fe-82ee-5fb543be7be6) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-d0f2-74db-950a-361b9539bcf0>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Van Buren County](https://ontology.bommaritollc.com/id/01a0ca47-5a15-72c0-b651-f4281d0bb13f) › [South Haven Charter Township](https://ontology.bommaritollc.com/id/01a0ca47-7a71-7491-8d8e-0c20621fd60a)

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

Location: 42.33892, -86.29753 (box -86.29753, 42.33892, -86.29753, 42.33892; west, south, east, north)

- `adms:identifier`: [gnis 1618435](https://ontology.bommaritollc.com/id/01a0ddfe-d0f3-7620-9eb5-783e7d52028a)
- `dcterms:type`: [swamp](https://ontology.bommaritollc.com/vocab/geo/gnisSwamp)
- `geo:hasDefaultGeometry`: [point of Dyckman Swamp](https://ontology.bommaritollc.com/id/01a0ddff-0c0b-7567-a852-32acbdeef618)
- `geo:hasGeometry`: [point of Dyckman Swamp](https://ontology.bommaritollc.com/id/01a0ddff-0c0b-7567-a852-32acbdeef618)
- **in watershed** (`bcgeo:inWatershed`): [Brandywine Creek-Frontal Lake Michigan (HUC10 0405000201)](https://ontology.bommaritollc.com/id/01a0de92-1d3b-74fe-82ee-5fb543be7be6)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-d0f2-74db-950a-361aaa1532eb)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-621b-7383-9735-bd155a64232b)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-16bb-7586-ade0-50a72be88bdf)
- `schema:containedInPlace`:
  - [Van Buren County](https://ontology.bommaritollc.com/id/01a0ca47-5a15-72c0-b651-f4281d0bb13f)
  - [South Haven Charter Township](https://ontology.bommaritollc.com/id/01a0ca47-7a71-7491-8d8e-0c20621fd60a)
- `skos:prefLabel`: Dyckman Swamp

## Elsewhere

- [Wikidata Q33174407](https://www.wikidata.org/wiki/Q33174407) (proposed match (exactMatch))
- [USGS GNIS 1618435](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/1618435) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.33892&mlon=-86.29753#map=14/42.33892/-86.29753) (42.33892, -86.29753)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=42.33892,-86.29753)
- [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/Q33174407 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-7826-73ab-a951-8f9199998424)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-d0f2-74db-950a-361b9539bcf0.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-d0f2-74db-950a-361b9539bcf0.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-d0f2-74db-950a-361b9539bcf0.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-d0f2-74db-950a-361b9539bcf0)
Cite as: Dyckman Swamp. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-d0f2-74db-950a-361b9539bcf0
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.