# Heidemann Marsh

Heidemann Marsh is a swamp in [Lyon Township](https://ontology.bommaritollc.com/id/01a0ca47-76d7-7152-a332-e410d56d1054), [Roscommon County](https://ontology.bommaritollc.com/id/01a0ca47-5e30-716d-bf6c-30c61f07cf12), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa), in the [Houghton Lake-Muskegon River (HUC10 0406010201)](https://ontology.bommaritollc.com/id/01a0de92-1dc2-76ed-b2fa-c19b79a51aee) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-dd21-7718-8544-12208f4b3a98>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Roscommon County](https://ontology.bommaritollc.com/id/01a0ca47-5e30-716d-bf6c-30c61f07cf12) › [Lyon Township](https://ontology.bommaritollc.com/id/01a0ca47-76d7-7152-a332-e410d56d1054)

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

Location: 44.48472, -84.80556 (box -84.80556, 44.48472, -84.80556, 44.48472; west, south, east, north)

- `adms:identifier`: [gnis 2104161](https://ontology.bommaritollc.com/id/01a0ddfe-dd22-7447-9e14-534096fb7ca2)
- `dcterms:type`: [swamp](https://ontology.bommaritollc.com/vocab/geo/gnisSwamp)
- `geo:hasDefaultGeometry`: [point of Heidemann Marsh](https://ontology.bommaritollc.com/id/01a0ddff-1b59-7794-be1e-980e6507614c)
- `geo:hasGeometry`: [point of Heidemann Marsh](https://ontology.bommaritollc.com/id/01a0ddff-1b59-7794-be1e-980e6507614c)
- **in watershed** (`bcgeo:inWatershed`): [Houghton Lake-Muskegon River (HUC10 0406010201)](https://ontology.bommaritollc.com/id/01a0de92-1dc2-76ed-b2fa-c19b79a51aee)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-dd21-7718-8544-121f4c43957b)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-6b41-738d-91f6-50c61ae2676c)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-1763-7620-b6d4-7aeb4726ec93)
- `schema:containedInPlace`:
  - [Roscommon County](https://ontology.bommaritollc.com/id/01a0ca47-5e30-716d-bf6c-30c61f07cf12)
  - [Lyon Township](https://ontology.bommaritollc.com/id/01a0ca47-76d7-7152-a332-e410d56d1054)
- `skos:prefLabel`: Heidemann Marsh

## Elsewhere

- [Wikidata Q33175288](https://www.wikidata.org/wiki/Q33175288) (proposed match (exactMatch))
- [USGS GNIS 2104161](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/2104161) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=44.48472&mlon=-84.80556#map=14/44.48472/-84.80556) (44.48472, -84.80556)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=44.48472,-84.80556)
- [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/Q33175288 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-7a05-7621-a92c-599096c8f333)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-dd21-7718-8544-12208f4b3a98.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-dd21-7718-8544-12208f4b3a98.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-dd21-7718-8544-12208f4b3a98.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-dd21-7718-8544-12208f4b3a98)
Cite as: Heidemann Marsh. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-dd21-7718-8544-12208f4b3a98
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.