Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001437749-22-004164
Filing Date
2022-02-23
Accepted
2022-02-23 15:05:50
Documents
373
Period of Report
2021-12-31

Document Format Files

Seq Description Document Type Size
1 FORM 10-K hl20211231_10k.htm   iXBRL 10-K 5082011
2 EXHIBIT 4.7 ex_335292.htm EX-4.7 30065
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14 EXHIBIT 95 ex_335286.htm EX-95 100969
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  Complete submission text file 0001437749-22-004164.txt   65450201

Data Files

Seq Description Document Type Size
18 XBRL TAXONOMY EXTENSION SCHEMA hl-20211231.xsd EX-101.SCH 122737
19 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE hl-20211231_cal.xml EX-101.CAL 93670
20 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE hl-20211231_def.xml EX-101.DEF 835301
21 XBRL TAXONOMY EXTENSION LABEL LINKBASE hl-20211231_lab.xml EX-101.LAB 742615
22 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE hl-20211231_pre.xml EX-101.PRE 887301
367 EXTRACTED XBRL INSTANCE DOCUMENT hl20211231_10k_htm.xml XML 3083743
Mailing Address 6500 N MINERAL DRIVE SUITE 200 NONE COEUR D'ALENE ID 83815-9408
Business Address 6500 N MINERAL DRIVE SUITE 200 NONE COEUR D'ALENE ID 83815-9408 2087694100
HECLA MINING CO/DE/ (Filer) CIK: 0000719413 (see all company filings)

EIN.: 770664171 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-08491 | Film No.: 22662855
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)