TABLE OF CONTENTS PART I PART II PART III PART IV 1 ITEM 1. BUSINESS 4 ITEM 1A. RISK FACTORS 20 ITEM 1B. UNRESOLVED STAFF COMMENTS 38 ITEM 2. PROPERTIES 38 ITEM 3. LEGAL PROCEEDINGS 39 ITEM 4. MINE SAFETY DISCLOSURES 40 ITEM 5. MARKET FOR REGISTRANT'S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES 41 ITEM 6. SELECTED FINANCIAL DATA 42 ITEM 7. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS 43 ITEM 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK 56 ITEM 8. FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA 57 ITEM 9. CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL DISCLOSURE 57 ITEM 9A. CONTROLS AND PROCEDURES 58 ITEM 9B. OTHER INFORMATION 60 ITEM 10. DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE 61 ITEM 11. EXECUTIVE COMPENSATION 61 ITEM 12. SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED STOCKHOLDER MATTERS 61 ITEM 13. CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS AND DIRECTOR INDEPENDENCE 61 ITEM 14. PRINCIPAL ACCOUNTING FEES AND SERVICES 61 ITEM 15. EXHIBITS, FINANCIAL STATEMENT SCHEDULES 62 SIGNATURES 65