Calumet & Hecla Mining Company

URI: https://gptkb.org/entity/Calumet_&_Hecla_Mining_Company
GPTKB entity
Statements (24)
Predicate Object
gptkbp:instanceOf mining industry
gptkbp:ceased_operations 1968
gptkbp:country gptkb:United_States
gptkbp:employs thousands of workers
gptkbp:founded 1866
gptkbp:founder gptkb:Alexander_Agassiz
gptkb:Edwin_J._Hulbert
gptkbp:headquarters_location gptkb:Calumet,_Michigan
gptkbp:historicalSignificance once the largest copper mining company in the United States
https://www.w3.org/2000/01/rdf-schema#label Calumet & Hecla Mining Company
gptkbp:industry copper mining
gptkbp:listedOn National Register of Historic Places (as part of Calumet Historic District)
gptkbp:mergedInto gptkb:Quincy_Mining_Company
gptkbp:notable_executive gptkb:Alexander_Agassiz
gptkbp:notableFor gptkb:Calumet_Mine
gptkb:Hecla_Mine
gptkbp:notableProduct copper
gptkbp:operates Calumet & Hecla Mining District
gptkbp:parent_company_(after_1968) gptkb:Universal_Oil_Products
gptkbp:significantEvent gptkb:Copper_Country_Strike_of_1913–1914
gptkb:Italian_Hall_Disaster
gptkbp:bfsParent gptkb:Tamarack_Mine
gptkb:Calumet_&_Hecla_Industrial_District_(historic_site)
gptkbp:bfsLayer 7