{"version":"1.0","type":"card","id":"b8ab1f51-e56c-40c6-8fff-5d1b68fd246f","url":"https://stacklist.com/card/b8ab1f51-e56c-40c6-8fff-5d1b68fd246f","title":"Springfield Historic District","source_url":"https://www.sparcouncil.org/neighborhood","note":"The Springfield Historic District is dedicated to facilitating positive change in the community since 1974. This page provides information about the district's initiatives, history, and ongoing efforts to preserve its unique heritage.","image":{"url":"https://ucarecdn.com/5b4249b0-3029-4548-b6cc-2630b6754751/","alt":"Springfield Historic District","width":1024,"height":683},"stack":{"id":"e461c22b-3646-4988-a48f-a49cf1b1f67c","title":"Historic Districts & Architecture","url":"https://stacklist.com/c/places/stack/e461c22b-3646-4988-a48f-a49cf1b1f67c"},"created_at":"2026-07-23T15:03:14.254Z","updated_at":null,"aco":{"summary":"The Springfield Historic District is a federally designated historic neighborhood north of downtown Jacksonville, established in 1869, containing approximately 1,800 structures showcasing architectural styles such as Colonial Revival, Queen Anne, Victorian, and Bungalow. Springfield Preservation and Revitalization (SPAR) has facilitated positive change in the district since 1974, promoting community engagement, historic preservation, and neighborhood vitality.","tags":["historic-district","springfield","jacksonville","historic-preservation","architecture","neighborhood","revitalization"],"key_entities":[{"name":"Springfield Historic District","type":"location","confidence":0.99},{"name":"Jacksonville","type":"location","confidence":0.98},{"name":"Springfield Preservation and Revitalization (SPAR)","type":"organization","confidence":0.95},{"name":"Great Fire of 1901","type":"event","confidence":0.9},{"name":"Andrew Macris","type":"person","confidence":0.7},{"name":"Pamela Batts Brown","type":"person","confidence":0.6},{"name":"historic preservation","type":"concept","confidence":0.92},{"name":"Sesquicentennial Park","type":"location","confidence":0.75}],"classification":"reference","language":"en","confidence":0.85,"provenance":{"model":"claude-opus-4-6","tool":"@stacklist/mcp-server@2.0.0","confidence":0.85,"timestamp":"2026-07-23T15:03:30.352Z"},"token_counts":{"approximate":879,"cl100k":667},"content_hash":"sha256:9894868359728f988dd908bb22efeaef5bb44e8634dc003f9049857eb486085d","acp_version":"0.2","body_available":true,"body_tokens":879,"visibility":"public","agent_accessible":true,"status":"final"},"_links":{"self":"/api/public/card/b8ab1f51-e56c-40c6-8fff-5d1b68fd246f.json","html":"https://stacklist.com/card/b8ab1f51-e56c-40c6-8fff-5d1b68fd246f","md":"/api/public/card/b8ab1f51-e56c-40c6-8fff-5d1b68fd246f.md","stack_json":"/api/public/stack/e461c22b-3646-4988-a48f-a49cf1b1f67c.json"}}