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

Porters Island

https://ontology.bommaritollc.com/id/01a0ddfe-d0a0-77e8-8d67-3bb09deb1177

Cite this

Porters Island. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-d0a0-77e8-8d67-3bb09deb1177

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

Elsewhere

Wikidata Q49670249proposed match (exactMatch)

OpenStreetMap47.47490, -87.88316

Sourceprd-tnm.s3.amazonaws.com

Source3dhp.nationalmap.gov

Sourcehydro.nationalmap.gov

adms:identifier	gnis 1618000
dcterms:type	island
geo:hasDefaultGeometry	point of Porters Island
geo:hasGeometry	point of Porters Island
in watershed	Nodaway Point-Frontal Lake Superior (HUC10 0418000001)
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://3dhp.nationalmap.gov/arcgis/rest/services/usgs_3dhp_all/FeatureServer evidence from https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer
schema:containedInPlace	Keweenaw County Grant Township Lake Superior
skos:altLabel	Porter Islanden
skos:prefLabel	Porters Islanden