{"nrhp_refnum":"08001165","name":"Chicago Federal Center","other_names":[],"category":"building","location":{"address":"Entire block bounded by Dearborn, Jackson, Clark and Adams and the contiguous half-block E. of Dearborn","address_restricted":false,"city":"Chicago","county":"Cook County","state":"IL","lat":41.87930332500005,"lon":-87.62932982481658,"geom_source":"nps_gis"},"listed_date":"2011-03-24","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Architecture","Politics/Government"],"significance_levels":["national"],"summary":{"what_it_is":"A federal government complex in downtown Chicago, Illinois, occupying the entire block bounded by Dearborn, Jackson, Clark and Adams streets plus the contiguous half-block east of Dearborn. It has three buildings, including the 30-story Everett McKinley Dirksen U.S. Courthouse (1964), designed by Ludwig Mies van der Rohe.","why_significant":"The nomination argues for national significance through the complex's link to the federal push for high-quality contemporary design in the early 1960s and its place among Mies van der Rohe's major American works. It was designed by one of the leading modern architects, and the complex is described as one of his masterpieces. It received extensive coverage in architectural journals and in monographs on Mies's work.","narrative":"Three federal buildings on a downtown Chicago block make up this complex, which fills the area bounded by Dearborn, Jackson, Clark and Adams streets and extends to a half-block east of Dearborn. Ludwig Mies van der Rohe was the primary architect. The 30-story Everett McKinley Dirksen U.S. Courthouse was built in 1964, and the rest of the complex was completed to Mies's designs after his death in 1969. The project grew out of the early 1960s federal effort to commission leading contemporary designers for public buildings, under guiding principles that called for the finest current architectural thought and discouraged an official style. The General Services Administration turned to Mies, a figure of the International Style, and the complex is described as one of his masterpieces. Contemporary journals such as Architectural Record and Progressive Architecture covered it, and it appeared in early monographs on his work, including Peter Carter's 1974 study. The nomination presents it as nationally significant for both architecture and federal building policy.","period_of_significance":null,"architect_builder":"Ludwig Mies van der Rohe (primary architect); other firms also contributed","architectural_style":null,"criteria":[],"status_note":null,"vacant_flag":null,"machine_generated":true,"model":"claude-sonnet-5-5","prompt_version":"v1.0-2026-10-29","generated_at":"2026-10-29 02:55:37.788916-05","source_pdf":"https://s3.amazonaws.com/NARAprodstorage/opastorage/live/8/8924/28892408/content/electronic-records/rg-079/NPS_IL/08001165.pdf"},"photo":{"url_800":"https://nationalhistoricalregister.com/media/08001165/4396529e71-800.webp","url_1600":"https://nationalhistoricalregister.com/media/08001165/4396529e71-1600.webp","licence":"Public domain","author":"US General Services Administration","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:Chicago_Federal_Center.jpg\" rel=\"noopener\">US General Services Administration</a>, Public domain, via Wikimedia Commons","source_page":"https://commons.wikimedia.org/wiki/File:Chicago_Federal_Center.jpg"},"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/28892408","wikipedia":null,"wikidata":"https://www.wikidata.org/wiki/Q124415050"},"indexable":true,"url":"https://nationalhistoricalregister.com/illinois/cook-county/chicago-federal-center-08001165/"}