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SEC Edgar

HECLA MINING CO/DE/

SIC 1400 · Mining & Quarrying Of Nonmetallic Minerals (No Fuels)
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HECLA MINING CO/DE/

CIK:0000719413|SEC Filings

ARTICLES AND BYLAWS

EX-3.1
ex_822286.htm
2025-05-22T00:00:00Z
EX-3.2
ex_278099.htm
2021-08-23T00:00:00Z
EX-3.2
ex_230901.htm
2021-03-01T00:00:00Z
EX-3.1
ex_167234.htm
2019-12-13T00:00:00Z
EX-3.1
ex_112931.htm
2018-05-10T00:00:00Z
EX-3.1
ex_104897.htm
2018-02-15T00:00:00Z
EX-3.1
ex3-1.htm
2017-08-03T00:00:00Z
EX-3.1
ex3-1.htm
2017-06-01T00:00:00Z
EX-3.2
ex3-2.htm
2016-12-08T00:00:00Z
EX-3.1
ex3-1.htm
2010-07-28T00:00:00Z
EX-3.1
ex3-1.htm
2010-05-26T00:00:00Z
EX-3.1
ex3-1.htm
2010-02-17T00:00:00Z
EX-3.2
hl-ex3_2.htm
2026-02-17T00:00:00Z
EX-3.1
d470998dex31.htm
2023-05-26T00:00:00Z
EX-3.2
d470998dex32.htm
2023-05-26T00:00:00Z
EX-3.1
d377959dex31.htm
2022-12-15T00:00:00Z
EX-3.1
dex31.htm
2009-02-04T00:00:00Z
EX-3.1
dex31.htm
2007-12-17T00:00:00Z
EX-3.1
hecla090906_ex3-1.htm
2009-03-02T00:00:00Z
EX-3.1
hecla075090_ex3-1.htm
2007-12-06T00:00:00Z