Condensed Consolidated Balance Sheets (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
CURRENT ASSETS:
Cash and cash equivalents	$ 349,612	$ 342,237
Trade receivables	145,826	112,942
Other receivables	1,314	2,537
Due from affiliates		1,635
Inventories	52,081	31,548
Advance royalties	4,812	4,812
Prepaid expenses and other assets	4,292	10,363
Total current assets	557,937	506,074
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	20,414	21,312
Total other assets	51,098	48,751
TOTAL ASSETS	1,628,496	1,504,072
CURRENT LIABILITIES:
Accounts payable	80,304	63,934
Due to affiliates	467	573
Accrued taxes other than income taxes	18,772	13,916
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	16,780
Current maturities, long-term debt	18,000	18,000
Total current liabilities	178,815	155,280
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		682
Long-term capital lease obligations	2,835	165
Other liabilities	3,592	12,549
Total long-term liabilities	892,654	891,572
Total liabilities	1,071,469	1,046,852
COMMITMENTS AND CONTINGENCIES
PARTNERS' CAPITAL:
Limited Partners - Common Unitholders 59,863,000 units outstanding	371,234	330,346
Accumulated other comprehensive loss	(8,067)	(8,138)
Total AHGP Partners' Capital	363,167	322,208
Noncontrolling interests	193,860	135,012
Total Partners' Capital	557,027	457,220
TOTAL LIABILITIES AND PARTNERS' CAPITAL	$ 1,628,496	$ 1,504,072