# Blockhouse Creek

Blockhouse Creek is a stream in [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa) (14.9 km long), in the [Au Sable River (HUC10 0407000707)](https://ontology.bommaritollc.com/id/01a0de92-1e4c-76a8-8d59-4a9de4f767ce) watershed; it flows into [Au Sable River](https://ontology.bommaritollc.com/id/01a0ddfe-d187-7760-a6e4-077a6f422cc1).

IRI: <https://ontology.bommaritollc.com/id/01a0ddfe-d240-75f5-8ee8-c82fef666df9>

Within: [Michigan](https://ontology.bommaritollc.com/id/01a0ca47-57ff-7219-9e2f-cdc1b39bd0fa)

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

Location: 44.63085, -83.85777 (box -83.96260, 44.63075, -83.85707, 44.70884; west, south, east, north)

- `adms:identifier`: [gnis 1619251](https://ontology.bommaritollc.com/id/01a0ddfe-d240-75f5-8ee8-c838f04f597d)
- `dcterms:type`: [stream](https://ontology.bommaritollc.com/vocab/geo/gnisStream)
- **flows into** (`bcgeo:flowsInto`): [Au Sable River](https://ontology.bommaritollc.com/id/01a0ddfe-d187-7760-a6e4-077a6f422cc1)
- `geo:hasDefaultGeometry`: [shape of Blockhouse Creek](https://ontology.bommaritollc.com/id/01a0de2c-da9e-70a5-a53c-a0d2f5cb16c8)
- `geo:hasGeometry`:
  - [point of Blockhouse Creek](https://ontology.bommaritollc.com/id/01a0ddff-0e4e-71aa-a44e-a9ba7be292ab)
  - [shape of Blockhouse Creek](https://ontology.bommaritollc.com/id/01a0de2c-da9e-70a5-a53c-a0d2f5cb16c8)
- `geo:hasMetricLength`: 14906.0 (xsd:double)
- **in watershed** (`bcgeo:inWatershed`): [Au Sable River (HUC10 0407000707)](https://ontology.bommaritollc.com/id/01a0de92-1e4c-76a8-8d59-4a9de4f767ce)
- `prov:wasDerivedFrom`:
  - [evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames\_MI\_Text.zip](https://ontology.bommaritollc.com/id/01a0ddfe-d240-75f5-8ee8-c82eb0d8ec26)
  - [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de32-62d5-7463-8768-40905b08ba2b)
  - [evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer](https://ontology.bommaritollc.com/id/01a0de92-180f-74b3-80dc-a94bffb098d0)
- `schema:containedInPlace`:
  - [Alcona County](https://ontology.bommaritollc.com/id/01a0ca47-59b8-7700-8c5c-af7c3d92657c)
  - [Oscoda County](https://ontology.bommaritollc.com/id/01a0ca47-5dba-7152-bf1b-07992088cd56)
  - [Comins Township](https://ontology.bommaritollc.com/id/01a0ca47-6da0-70a0-ab7f-13112271c652)
  - [Mentor Township](https://ontology.bommaritollc.com/id/01a0ca47-7755-74c7-becc-ed32e1f878c7)
  - [Mitchell Township](https://ontology.bommaritollc.com/id/01a0ca47-777b-738a-b520-9693816c4969)
- `skos:prefLabel`: Blockhouse Creek

## Elsewhere

- [Wikidata Q34676895](https://www.wikidata.org/wiki/Q34676895) (proposed match (exactMatch))
- [USGS GNIS 1619251](https://edits.nationalmap.gov/apps/gaz-domestic/public/summary/1619251) (gnis)
- [OpenStreetMap](https://www.openstreetmap.org/?mlat=44.63085&mlon=-83.85777#map=14/44.63085/-83.85777) (44.63085, -83.85777)
- [Google Maps](https://www.google.com/maps/search/?api=1&query=44.63085,-83.85777)
- [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/Q34676895 (proposed)](https://ontology.bommaritollc.com/id/01a0ddff-7839-725d-b190-6c43507894d2)

---
Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0ddfe-d240-75f5-8ee8-c82fef666df9.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0ddfe-d240-75f5-8ee8-c82fef666df9.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0ddfe-d240-75f5-8ee8-c82fef666df9.nt), [HTML](https://ontology.bommaritollc.com/id/01a0ddfe-d240-75f5-8ee8-c82fef666df9)
Cite as: Blockhouse Creek. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-d240-75f5-8ee8-c82fef666df9
Release 0.1.0-rc12, graph hash a20f66b983549f220c6f061b7e40233771a06aa47a0c0aede95a2a57ee2e9553.