GPTKB
Browse
Query
Compare
Download
Publications
Contributors
Search
Calumet and Hecla Mining Company
URI:
https://gptkb.org/entity/Calumet_and_Hecla_Mining_Company
GPTKB entity
Statements (29)
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
largest copper producer in the United States in the late 19th and early 20th centuries
https://www.w3.org/2000/01/rdf-schema#label
Calumet and Hecla Mining Company
gptkbp:industry
copper mining
gptkbp:legacy
gptkb:Calumet_&_Hecla_Industrial_District_(historic_site)
gptkb:Calumet_and_Hecla_Hospital
gptkb:Calumet_and_Hecla_Public_Library
gptkbp:mergedInto
gptkb:Quincy_Mining_Company
gptkbp:notable_executive
gptkb:Alexander_Agassiz
gptkb:James_MacNaughton
gptkbp:notableEvent
site of the 1913 Italian Hall disaster
gptkbp:notableFor
gptkb:Calumet_Mine
gptkb:Hecla_Mine
gptkbp:notableProduct
copper
gptkbp:operates
stamp mills
mines in Michigan's Keweenaw Peninsula
smelters
gptkbp:parent_company_(post-1968)
gptkb:Universal_Oil_Products
gptkbp:stockExchange
gptkb:New_York_Stock_Exchange
gptkbp:bfsParent
gptkb:Alexander_Agassiz
gptkb:Anaconda_Copper_Mining_Company
gptkbp:bfsLayer
5