{"nrhp_refnum":"72000989","name":"Troublesome Creek Ironworks","other_names":["Speedwell Furnace"],"category":"site","location":{"address":null,"address_restricted":true,"city":"Monroeton","county":"Rockingham County","state":"NC","lat":null,"lon":null,"geom_source":null},"listed_date":"1972-09-29","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Industry","Historic - Non-Aboriginal","Military"],"significance_levels":["state"],"summary":null,"photo":null,"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/47722025","wikipedia":"https://en.wikipedia.org/wiki/Troublesome_Creek_Ironworks","wikidata":"https://www.wikidata.org/wiki/Q23135138"},"indexable":false,"url":"https://nationalhistoricalregister.com/north-carolina/rockingham-county/troublesome-creek-ironworks-72000989/"}