{"nrhp_refnum":"100012612","name":"Buffalo Envelope Company Building","other_names":[],"category":"building","location":{"address":"268-270 Michigan Avenue","address_restricted":false,"city":"Buffalo","county":"Erie County","state":"NY","lat":42.879331000000036,"lon":-78.87054399999994,"geom_source":"nps_gis"},"listed_date":"2026-01-26","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Industry"],"significance_levels":["local"],"summary":null,"photo":null,"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":null,"wikipedia":null,"wikidata":null},"indexable":false,"url":"https://nationalhistoricalregister.com/new-york/erie-county/buffalo-envelope-company-building-100012612/"}