# Spike Horn Swamp

Spike Horn Swamp is a swamp in [Hamilton Township](https://ontology.bommaritollc.com/id/01a0ca47-7137-7361-aa20-a391f2cc6307), [Clare County](https://ontology.bommaritollc.com/id/01a0ca47-594c-7471-8e7b-5f4b609c3823), [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa), in the [Tobacco River (HUC10 0408020103)](https://ontology.bommaritollc.com/id/01a0de92-1e81-728d-85f5-ffced2e0ec33) watershed.

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-ca1f-7384-8b33-e195eedc273f>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) › [Clare County](https://ontology.bommaritollc.com/id/01a0ca47-594c-7471-8e7b-5f4b609c3823) › [Hamilton Township](https://ontology.bommaritollc.com/id/01a0ca47-7137-7361-aa20-a391f2cc6307)

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

Location: 44.00974, -84.67474 (box -84.67474, 44.00974, -84.67474, 44.00974; west, south, east, north)

- `adms:identifier`: [gnis 638513](https://ontology.bommaritollc.com/id/01a0ddfe-ca20-7702-9246-d2a4a624ac17)
- `dcterms:type`: [swamp](https://ontology.bommaritollc.com/vocab/geo/gnisSwamp)
- `geo:hasDefaultGeometry`: [point of Spike Horn Swamp](https://ontology.bommaritollc.com/id/01a0ddff-03b3-73a7-9294-1f6d9c8976d0)
- `geo:hasGeometry`: [point of Spike Horn Swamp](https://ontology.bommaritollc.com/id/01a0ddff-03b3-73a7-9294-1f6d9c8976d0)
- **in watershed** (`bcgeo:inWatershed`): [Tobacco River (HUC10 0408020103)](https://ontology.bommaritollc.com/id/01a0de92-1e81-728d-85f5-ffced2e0ec33)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-ca1f-7384-8b33-e1942b08b228)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-5cc7-761a-a9cb-c7d0d84fd0b3)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-184b-719f-86b8-af4a518e77f6)
- `schema:containedInPlace`:
  - [Clare County](https://ontology.bommaritollc.com/id/01a0ca47-594c-7471-8e7b-5f4b609c3823)
  - [Hamilton Township](https://ontology.bommaritollc.com/id/01a0ca47-7137-7361-aa20-a391f2cc6307)
- `skos:prefLabel`: Spike Horn Swamp

## Elsewhere

- [Wikidata Q33176415](https://www.wikidata.org/wiki/Q33176415) (proposed match (exactMatch))
- [USGS GNIS 638513](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/638513) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=44.00974&mlon=-84.67474#map=14/44.00974/-84.67474) (44.00974, -84.67474)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=44.00974,-84.67474)
- [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/Q33176415 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-7726-73f1-975f-b1df490a81ea)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-ca1f-7384-8b33-e195eedc273f.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-ca1f-7384-8b33-e195eedc273f.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-ca1f-7384-8b33-e195eedc273f.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-ca1f-7384-8b33-e195eedc273f)
Cite as: Spike Horn Swamp. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-ca1f-7384-8b33-e195eedc273f
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.