# Duck Marsh

Duck Marsh is a swamp in [Elk Township](https://ontology.bommaritollc.com/id/01a0ca47-6e8f-7200-a4b1-712e150917dc), [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 Sable River (HUC10 0406010101)](https://ontology.bommaritollc.com/id/01a0de92-1da4-76b0-8935-96c91ff0ee6a) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-d393-7422-a466-26b10525c3f2>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Lake County](https://ontology.bommaritollc.com/id/01a0ca47-5872-7215-a416-09517ba59c7c) › [Elk Township](https://ontology.bommaritollc.com/id/01a0ca47-6e8f-7200-a4b1-712e150917dc)

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

Location: 44.10685, -86.00832 (box -86.00832, 44.10685, -86.00832, 44.10685; west, south, east, north)

- `adms:identifier`: [gnis 1619776](https://ontology.bommaritollc.com/id/01a0ddfe-d393-7422-a466-26b84f267cb2)
- `dcterms:type`: [swamp](https://ontology.bommaritollc.com/vocab/geo/gnisSwamp)
- `geo:hasDefaultGeometry`: [point of Duck Marsh](https://ontology.bommaritollc.com/id/01a0ddff-109b-75fa-85b0-7c476c7fe752)
- `geo:hasGeometry`: [point of Duck Marsh](https://ontology.bommaritollc.com/id/01a0ddff-109b-75fa-85b0-7c476c7fe752)
- **in watershed** (`bcgeo:inWatershed`): [Big Sable River (HUC10 0406010101)](https://ontology.bommaritollc.com/id/01a0de92-1da4-76b0-8935-96c91ff0ee6a)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-d393-7422-a466-26b01cf35ff8)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-640f-7383-b6ae-d5e2ff6bc944)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-1744-750f-8d3b-d770ef55f88c)
- `schema:containedInPlace`:
  - [Lake County](https://ontology.bommaritollc.com/id/01a0ca47-5872-7215-a416-09517ba59c7c)
  - [Elk Township](https://ontology.bommaritollc.com/id/01a0ca47-6e8f-7200-a4b1-712e150917dc)
- `skos:prefLabel`: Duck Marsh

## Elsewhere

- [Wikidata Q33174360](https://www.wikidata.org/wiki/Q33174360) (proposed match (exactMatch))
- [USGS GNIS 1619776](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/1619776) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=44.10685&mlon=-86.00832#map=14/44.10685/-86.00832) (44.10685, -86.00832)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=44.10685,-86.00832)
- [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/Q33174360 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-78dd-727e-b5d9-12034ca58a38)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-d393-7422-a466-26b10525c3f2.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-d393-7422-a466-26b10525c3f2.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-d393-7422-a466-26b10525c3f2.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-d393-7422-a466-26b10525c3f2)
Cite as: Duck Marsh. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-d393-7422-a466-26b10525c3f2
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.