{"nrhp_refnum":"76002040","name":"Marshall Arsenal, CSA","other_names":["Marshall Powder Mill"],"category":"site","location":{"address":null,"address_restricted":true,"city":"Marshall","county":"Harrison County","state":"TX","lat":null,"lon":null,"geom_source":null},"listed_date":"1976-07-01","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Industry","Historic - Aboriginal","Military"],"significance_levels":["national"],"summary":null,"photo":null,"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/40972490","wikipedia":null,"wikidata":null},"indexable":false,"url":"https://nationalhistoricalregister.com/texas/harrison-county/marshall-arsenal-csa-76002040/"}