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Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0001193125-21-114736
Filing Date
2021-04-13
Accepted
2021-04-13 16:32:58
Documents
1

Document Format Files

Seq Description Document Type Size
1 DEFA14A d171858ddefa14a.htm DEFA14A 17671
  Complete submission text file 0001193125-21-114736.txt   18709
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)

IRS No.: 770664171 | State of Incorp.: DE | Fiscal Year End: 1231
Type: DEFA14A | Act: 34 | File No.: 001-08491 | Film No.: 21823400
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)