| Business | 31 |
| Risk Factors | 38 |
| Unresolved Staff Comments | 55 |
| Properties | 55 |
| Legal Proceedings | 55 |
| Mine Safety Disclosures | 57 |
| Market for Registrant's Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities | 57 |
| Selected Financial Data | 58 |
| Management's Discussion and Analysis of Financial Condition and Results of Operations | 58 |
| Quantitative and Qualitative Disclosures About Market Risk | 75 |
| Financial Statements and Supplementary Data | 77 |
| Changes in and Disagreements With Accountants on Accounting and Financial Disclosure | 134 |
| Controls and Procedures | 134 |
| Other Information | 134 |
| Directors, Executive Officers and Corporate Governance | 134 |
| Executive Compensation | 134 |
| Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters | 135 |
| Certain Relationships and Related Transactions, and Director Independence | 135 |
| Principal Accounting Fees and Services | 135 |
| Exhibits and Financial Statement Schedules | 135 |
| Signatures | 138 |