[company letterhead]


                          Third Party Reviewer Consent


        We consent to the reference to us under the caption "Business-Silver
Properties-Greens Creek Mine-Admiralty Island, Alaska"" in the Registration
Statement on Form S-1 for an underwritten public equity offering of Hecla Mining
Company. In giving this consent, we do not admit that we are within the category
of persons whose consent is required by Section 7 of the Securities Act of 1933
or the rules and regulations of the Securities and Exchange Commission.


Date: January 10, 2003



                                                    AMEC E&C SERVICES


                                                    By: /s/ Larry Smith
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                                                    Its: Chief Geologist
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