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☒	ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

☐	TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Delaware (State or other jurisdiction of incorporation or organization)

85-2619578 (I.R.S. Employer Identification No.)

			Page
		PART I
Item 1.		BUSINESS	3
Item 1A.		RISK FACTORS	20
Item 1B.		UNRESOLVED STAFF COMMENTS	33
Item 2.		PROPERTIES	33
Item 3.		LEGAL PROCEEDINGS	33
Item 4.		MINE SAFETY DISCLOSURES	34
		PART II
Item 5.		MARKET FOR REGISTRANT’S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES	35
Item 6.		SELECTED FINANCIAL DATA	37
Item 7.		MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS	39
Item 7A.		QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK	71
Item 8.		FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA	74
Item 9.		CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL DISCLOSURE	142
Item 9A.		CONTROLS AND PROCEDURES	142
Item 9B.		OTHER INFORMATION	144
		PART III
Item 10.		DIRECTORS, EXECUTIVE OFFICERS, AND CORPORATE GOVERNANCE	145
Item 11.		EXECUTIVE COMPENSATION	145
Item 12.		SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT, AND RELATED STOCKHOLDER MATTERS	145
Item 13.		CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS, AND DIRECTOR INDEPENDENCE	145
Item 14.		PRINCIPAL ACCOUNTING FEES AND SERVICES	145
		PART IV
Item 15.		EXHIBITS, FINANCIAL STATEMENT SCHEDULES	146
Item 16.		FORM 10-K SUMMARY	148