Calumet and Hecla Consolidated Copper Company
URI(s)
Variants
Identifies LC/NAF RWO
Identifies RWO
Later Established Forms
Exact Matching Concepts from Other Schemes
Closely Matching Concepts from Other Schemes
Earlier Established Forms
Sources
found: Benedict, C.H. Red metal, the Calumet and ... 1952:t.p. (Calumet and Hecla) p. vii (Calumet and Hecla Consolidated Copper Company)
found: Moody's industrials manual, 1959:p. 564 (Calumet & Hecla Consolidated Copper Company; inc. in Mich. Sept. 10, 1923 by merger of Calumet & Hecla Mining Company, Osceola Consolidated Mining Company, Ahmeek Mining Company [no pubs. in OCLC], Allouez Mining Company [no pubs. in OCLC], and Centennial Copper Mining Company [no pubs. in OCLC]; renamed Calumet & Hecla, Inc., Oct. 31, 1952)
notfound: LC data base, 2/21/89 (hdg.: Calumet and Hecla, Inc.);Standard & Poors register, 1989;Directory of corporate affiliations, 1989.
Instance Of
Scheme Membership(s)
Collection Membership(s)
Change Notes
1989-03-14: new
2008-02-28: revised
Alternate Formats