{"name":"Pierce Mill","city":"Washington, D.C., District of Columbia","canonical_url":"https://gydeinfo.com/washington-dc/places/pierce-mill/","markdown_url":"https://gydeinfo.com/washington-dc/places/pierce-mill.md","updated_at":"2026-06-20T06:58:35.668410+00:00","facts":[{"claim":"The mill was completed in 1936 and placed in operation in December 1936 after restoration.","citation":"https://tile.loc.gov/storage-services/master/pnp/habshaer/dc/dc0300/dc0344/data/dc0344data.pdf","source_title":"Pierce Mill *&£S No. DC - Bock Greek Park - Loc","source_type":"official","allowed_use":"canonical_data","retrieved_at":"2026-06-20T06:12:28.409890+00:00","fact_type":"history","as_of":"1936","confidence":0.96},{"claim":"The Library of Congress HABS/HAER record describes the mill as restored in 1955.","citation":"https://tile.loc.gov/storage-services/master/pnp/habshaer/dc/dc0300/dc0344/data/dc0344data.pdf","source_title":"Pierce Mill *&£S No. DC - Bock Greek Park - Loc","source_type":"official","allowed_use":"canonical_data","retrieved_at":"2026-06-20T06:12:28.409890+00:00","fact_type":"history","as_of":"1955","confidence":0.9},{"claim":"The HABS/HAER record dates the mill's erection to 1829.","citation":"https://tile.loc.gov/storage-services/master/pnp/habshaer/dc/dc0300/dc0344/data/dc0344data.pdf","source_title":"Pierce Mill *&£S No. DC - 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