# Townline Marsh

Townline Marsh is a swamp in [Ferry Township](https://ontology.bommaritollc.com/id/01a0ca47-6143-76e3-a879-64f9937aa1cb), [Oceana County](https://ontology.bommaritollc.com/id/01a0ca47-5872-7215-a416-095c335cc049), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa), in the [North Branch White River (HUC10 0406010108)](https://ontology.bommaritollc.com/id/01a0de92-1db7-738b-8b38-dbe1ab803f44) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-d905-711a-8bc9-cc3be54354a1>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Oceana County](https://ontology.bommaritollc.com/id/01a0ca47-5872-7215-a416-095c335cc049) › [Ferry Township](https://ontology.bommaritollc.com/id/01a0ca47-6143-76e3-a879-64f9937aa1cb)

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

Location: 43.58390, -86.27835 (box -86.27835, 43.58390, -86.27835, 43.58390; west, south, east, north)

- `adms:identifier`: [gnis 1621933](https://ontology.bommaritollc.com/id/01a0ddfe-d905-711a-8bc9-cc4381844ff1)
- `dcterms:type`: [swamp](https://ontology.bommaritollc.com/vocab/geo/gnisSwamp)
- `geo:hasDefaultGeometry`: [point of Townline Marsh](https://ontology.bommaritollc.com/id/01a0ddff-1661-75d4-b6a9-f888bd23f519)
- `geo:hasGeometry`: [point of Townline Marsh](https://ontology.bommaritollc.com/id/01a0ddff-1661-75d4-b6a9-f888bd23f519)
- **in watershed** (`bcgeo:inWatershed`): [North Branch White River (HUC10 0406010108)](https://ontology.bommaritollc.com/id/01a0de92-1db7-738b-8b38-dbe1ab803f44)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-d905-711a-8bc9-cc3a88daa360)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-685f-7409-814a-ec679ad90c95)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-1755-71c0-b01c-69ad5e560c78)
- `schema:containedInPlace`:
  - [Oceana County](https://ontology.bommaritollc.com/id/01a0ca47-5872-7215-a416-095c335cc049)
  - [Ferry Township](https://ontology.bommaritollc.com/id/01a0ca47-6143-76e3-a879-64f9937aa1cb)
- `skos:prefLabel`: Townline Marsh

## Elsewhere

- [Wikidata Q33176639](https://www.wikidata.org/wiki/Q33176639) (proposed match (exactMatch))
- [USGS GNIS 1621933](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/1621933) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=43.58390&mlon=-86.27835#map=14/43.58390/-86.27835) (43.58390, -86.27835)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=43.58390,-86.27835)
- [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/Q33176639 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-792e-717f-8382-5f3306ffa12a)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-d905-711a-8bc9-cc3be54354a1.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-d905-711a-8bc9-cc3be54354a1.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-d905-711a-8bc9-cc3be54354a1.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-d905-711a-8bc9-cc3be54354a1)
Cite as: Townline Marsh. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-d905-711a-8bc9-cc3be54354a1
Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.