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Permanent claim record · Sleeping Bear Dunes National Lakeshore

Sleeping Bear Dunes was designated a National Lakeshore on October 20, 1970, spanning 71,318 acres and 65 miles of shoreline (including 35 miles of Lake Michigan frontage) across the mainland and North and South Manitou Islands.

Verified\u00b7 1970-10-20
Raw value (vault-stripped) {"tags":["sleeping-bear","national-parks","great-lakes"],"text":"Sleeping Bear Dunes was designated a National Lakeshore on October 20, 1970, spanning 71,318 acres and 65 miles of shoreline (including 35 miles of Lake Michigan frontage) across the mainland and North and South Manitou Islands.","as_of":"1970-10-20","category":"nature"}
Predicatetrivia.fact
SubjectSleeping Bear Dunes National Lakeshore (venue)
As of1970-10-20
StatusVerified
SourceWest Michigan Tourism: Attractions, Landmarks & Regional Highlights — Perplexity Deep Research (March 2026) (trust 6.5/10)
Reference—
Document hashpending evidence-pack link
Provenance chain
Claim ID67caaac9-c454-4dc0-ac0a-342bf3eb7aa3