Condensed Consolidated Balance Sheets (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
CURRENT ASSETS:
Cash and cash equivalents	$ 347,111	$ 339,562
Trade receivables	145,826	112,942
Other receivables	1,314	2,537
Due from affiliates	264	1,912
Inventories	52,081	31,548
Advance royalties	4,812	4,812
Prepaid expenses and other assets	4,100	10,024
Total current assets	555,508	503,337
PROPERTY, PLANT AND EQUIPMENT:
Property, plant and equipment, at cost	1,730,668	1,598,130
Less accumulated depreciation, depletion and amortization	(711,207)	(648,883)
Total property, plant and equipment, net	1,019,461	949,247
OTHER ASSETS:
Advance royalties	30,684	27,439
Other long-term assets	20,357	21,255
Total other assets	51,041	48,694
TOTAL ASSETS	1,626,010	1,501,278
CURRENT LIABILITIES:
Accounts payable	79,683	63,339
Due to affiliates	467	573
Accrued taxes other than income taxes	18,754	13,901
Accrued payroll and related expenses	30,848	30,773
Accrued interest	3,403	2,491
Workers' compensation and pneumoconiosis benefits	8,357	8,518
Current capital lease obligations	771	295
Other current liabilities	17,893	16,715
Current maturities, long-term debt	18,000	18,000
Total current liabilities	178,176	154,605
LONG-TERM LIABILITIES:
Long-term debt, excluding current maturities	704,000	704,000
Pneumoconiosis benefits	47,753	45,039
Accrued pension benefit	10,809	13,296
Workers' compensation	66,785	59,796
Asset retirement obligations	56,880	56,045
Due to affiliates		1,954
Long-term capital lease obligations	2,835	165
Other liabilities	3,592	10,595
Total long-term liabilities	892,654	890,890
Total liabilities	1,070,830	1,045,495
COMMITMENTS AND CONTINGENCIES
Alliance Resource Partners, L.P. ("ARLP") Partners' Capital:
Limited Partners - Common Unitholders 36,775,741 and 36,716,855 units outstanding, respectively	857,015	761,875
General Partners' deficit	(283,247)	(287,371)
Accumulated other comprehensive loss	(18,588)	(18,721)
Total Partners' Capital	555,180	455,783
TOTAL LIABILITIES AND PARTNERS' CAPITAL	$ 1,626,010	$ 1,501,278