bc-ontologyUS governments, their divisions, offices and public pages, and Michigan's law and geography

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

Rock Island

Rock Island is an island in Sugar Island Township, Chippewa County, Michigan, in the Lake George-Saint Marys River (HUC10 0420000208) watershed.

https://ontology.bommaritollc.com/id/01a0ddfe-c678-745c-9f79-cd3ebb72fc2e

geo:Featureschema:Landformschema:Place

Download Turtle JSON-LD N-Triples Markdown

Cite this

Rock Island. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-c678-745c-9f79-cd3ebb72fc2e

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

Elsewhere

Wikidata Q49674982proposed match (exactMatch)

USGS GNIS 636081gnis

OpenStreetMap46.38641, -84.14586

Sourceprd-tnm.s3.amazonaws.com

Source3dhp.nationalmap.gov

Sourcehydro.nationalmap.gov

Facts

adms:identifier	gnis 636081
dcterms:type	island
geo:hasDefaultGeometry	point of Rock Island
geo:hasGeometry	point of Rock Island
in watershed	Lake George-Saint Marys River (HUC10 0420000208)
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	Chippewa County Sugar Island Township
skos:prefLabel	Rock Islanden

Related

Mappings (1)owl:annotatedSource

exactMatch http://www.wikidata.org/entity/Q49674982 (proposed)