Pre-release: this release has not been published. Identifiers are permanent; descriptions may still change.

Trap Rock River

Trap Rock River is a stream in Michigan (31.8 km long), in the Portage Lake (HUC10 0402010303) watershed; it flows into Torch Lake.

https://ontology.bommaritollc.com/id/01a0ddfe-cce6-7107-b9a4-6387248448b8

Cite this

Trap Rock River. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0ddfe-cce6-7107-b9a4-6387248448b8

Drawn from the release's geometry, simplified for the screen; base map © OpenStreetMap contributors or USGS.

Elsewhere

OpenStreetMap47.19493, -88.39817

Sourceprd-tnm.s3.amazonaws.com

Source3dhp.nationalmap.gov

Sourcehydro.nationalmap.gov

adms:identifier	gnis 1615036
dcterms:type	stream
flows into	Torch Lake
geo:hasDefaultGeometry	shape of Trap Rock River
geo:hasGeometry	point of Trap Rock River shape of Trap Rock River
geo:hasMetricLength	31784.3xsd:double
in watershed	Portage Lake (HUC10 0402010303)
prov:wasDerivedFrom	evidence from https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames_MI_Text.zip evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs_3dhp_all/FeatureServer evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer
schema:containedInPlace	Houghton County Keweenaw County Allouez Township Schoolcraft Township Sherman Township Calumet Township Houghton Township
skos:prefLabel	Trap Rock Riveren