SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                             ----------------------

                                   SCHEDULE TO
                             ----------------------

                                 (RULE 14D-100)
                             ----------------------

            TENDER OFFER STATEMENT UNDER SECTION 14(D)(1) OR 13(E)(1)
                     OF THE SECURITIES EXCHANGE ACT OF 1934

                                 AMENDMENT NO. 4
                             ----------------------

                              HECLA MINING COMPANY
                            (Name of Subject Company)
                             ----------------------

                              HECLA MINING COMPANY
                              (Issuer and Offeror)
                               -------------------

                 Series B Cumulative Convertible Preferred Stock
                         (Title of Class of Securities)
                              --------------------

                                    422704205
                      (CUSIP Number of Class of Securities)
                              --------------------

                                Michael B. White
                              Hecla Mining Company
                               6500 Mineral Drive
                         Coeur d'Alene, Idaho 83815-8788
                          Telephone:     (208) 769-4110
                          Facsimile:     (208) 769-7612

 (Name, Address and Telephone Number of Person Authorized to Receive Notices and
                       Communications on Behalf of Bidder)
                            ------------------------

                                   Copies To:
                                 John H. Bitner
                             Bell, Boyd & Lloyd LLC
                       70 West Madison Street, Suite 3300
                             Chicago, Illinois 60602
                          Telephone:     (312) 807-4306
                          Facsimile:     (312) 827-8048

                            CALCULATION OF FILING FEE

===============================================================================
     Transaction Valuation*                     Amount of Filing Fee
-------------------------------------------------------------------------------
           $61,640,000                               $12,328
===============================================================================












* Estimated for purposes of calculating the amount of the filing fee only.  The
amount assumes the exchange of all outstanding shares of Series B Cumulative
Convertible Preferred Stock for shares of Common Stock of Hecla Mining Company.
If all Preferred Stock is exchanged, Hecla would issue an aggregate of
16,100,000 shares of its Common Stock.  Based on the June 17, 2002 average of
the reported high and low price of Hecla Series B Cumulative Convertible
Preferred Stock on the New York Stock Exchange, the transaction value is
$61,640,000.  The amount of the filing fee, calculated in accordance with Rule
0-11 of the Securities Exchange Act of 1934, as amended, equals 1/50th of one
percent of the transaction value.

[X]    Check the box if any part of the fee is offset as provided by Rule 0-
       11(a)(2) and identify the filing with which the offsetting fee was
       previously paid.  Identify the previous filing by registration statement
       number, or the form or schedule and the date of its filing.

Amount Previously Paid: $12,328              Filing Party:  Hecla Mining Company
Form or Registration No.: Schedule TO        Date Filed:    June 24, 2002


[ ]    Check the box if the filing relates solely to preliminary communications
       made before the commencement of a tender offer.

Check the appropriate boxes below to designate any transactions to which the
       statement relates:

[ ]    third-party tender offer subject to Rule 14d-1.
[X]    issuer tender offer subject to Rule 13e-4.
[ ]    going private transaction subject to Rule 13e-3.
[ ]    amendment to Schedule 13d under Rule 13d-2.


Check the following box if the filing is a final amendment reporting the results
of a tender offer: [X]











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     This Amendment No. 4 further amends and supplements the Tender Offer
Statement on Schedule TO filed with the Securities and Exchange Commission on
June 24, 2002 as previously amended (the "Schedule TO") by Hecla Mining Company,
a Delaware corporation, in connection with its offer of 7 shares of common
stock, par value $0.25 per share, of Hecla in exchange for each of Hecla's
2,300,000 currently outstanding shares of Series B Cumulative Convertible
Preferred Stock, par value $0.25 per share upon the terms and subject to the
conditions set forth in the Offering Circular, dated June 24, 2002 and in the
related Letter of Transmittal, which together, as each may be amended or
supplemented from time to time, constitute the "Offer" and which are appended to
and filed with the Schedule TO as Exhibits (a)(1) and (a)(2), respectively.

     Hecla Mining Company announced the final results of its offer to holders of
its Series B Cumulative Convertible Preferred stock to exchange each of their
preferred shares for 7 shares of Hecla common stock. The offer expired at 5:00
p.m., New York City time, on July 25, 2002.

     Based on a final count by American Stock Transfer & Trust Company, the
Exchange Agent for the offer, 1,546,598 shares were properly tendered and not
withdrawn, of which 24,405 were tendered pursuant to notices of guaranteed
delivery. Hecla will accept all of the properly tendered shares. Delivery of
shares of Hecla common stock in exchange for accepted shares will be promptly
made by American Stock Transfer & Trust Company.

     Hecla commenced the offer on June 24, 2002, at which time there were 2.3
million shares of Series B Cumulative Convertible Preferred stock issued and
outstanding. As a result of the completion of the exchange offer, Hecla has
753,402 shares of Series B Cumulative Convertible Preferred stock issued and
outstanding as of the time immediately following issuance of the exchanged
shares. As a result of the exchange, the outstanding shares of common stock
increased from 75,151,603 million to 85,977,789 million.


                                    SIGNATURE

     After due inquiry and to the best of my knowledge and belief, I certify
that the information set forth in this statement is true, complete and correct.

                              HECLA MINING COMPANY

                           /s/ Phillips S. Baker, Jr.
                           ---------------------------
                             Phillips S. Baker, Jr.
                                    President

                                 August 2, 2002



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