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Grindstone Lake Seaplane Base is listed in The Aviation Manifest as an aerodrome entry in United States.
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Read from the OpenStreetMap record for this facility, then matched to its country and type. Checked on 2026-10-29.
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Data source: OpenStreetMap contributors (ODbL), checked 2026-10-29. Cite this entry as: The Aviation Manifest, “Grindstone Lake Seaplane Base”, checked 2026-10-29, theflightbrief.com/manifest/listings/grindstone-lake-seaplane-base-us-369004982. Claim to edit, or write to [email protected] to correct or remove.