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.

Ludwig Swamp

Ludwig Swamp is a swamp in Alcona Township, Alcona County, Michigan, in the Lower South Branch Thunder Bay River (HUC10 0407000605) watershed.

https://ontology.bommaritollc.com/id/01a0ddfe-d5e8-74ff-822b-56168787e0e7

geo:Featureschema:Place

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Cite this

Ludwig Swamp. bc-ontology, release 0.1.0-rc12, 2026-09-27. https://ontology.bommaritollc.com/id/01a0ddfe-d5e8-74ff-822b-56168787e0e7

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

Elsewhere

Wikidata Q33176003proposed match (exactMatch)

USGS GNIS 1620644gnis

OpenStreetMap44.80335, -83.49636

Sourceprd-tnm.s3.amazonaws.com

Source3dhp.nationalmap.gov

Sourcehydro.nationalmap.gov

Facts

adms:identifier	gnis 1620644
dcterms:type	swamp
geo:hasDefaultGeometry	point of Ludwig Swamp
geo:hasGeometry	point of Ludwig Swamp
in watershed	Lower South Branch Thunder Bay River (HUC10 0407000605)
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	Alcona County Alcona Township
skos:prefLabel	Ludwig Swampen

Related

Mappings (1)owl:annotatedSource

exactMatch http://www.wikidata.org/entity/Q33176003 (proposed)