<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE FINANCIAL STATEMENT OF ATLAS-ENERGY FOR THE NINETIES PUBLIC #8 L FINANCIAL DATA STATEMENT FOR 1ST QUARTER 10-Q AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS. </LEGEND> <MULTIPLIER> 1,000 <PERIOD-TYPE> 3-MOS 9-MOS <FISCAL-YEAR-END> DEC-31-1999 DEC-31-1999 <PERIOD-START> JUL-01-2000 JAN-01-2000 <PERIOD-END> SEP-30-2000 SEP-30-2000 <CASH> 14,512 14,512 <SECURITIES> 0 0 <RECEIVABLES> 792,015 792,015 <ALLOWANCES> 0 0 <INVENTORY> 0 0 <CURRENT-ASSETS> 806,527 806,527 <PP&E> 12,573,810 12,573,810 <DEPRECIATION> (822,247) (822,247) <TOTAL-ASSETS> 12,558,090 12,558,090 <CURRENT-LIABILITIES> 23,428 23,428 <BONDS> 0 0 <PREFERRED-MANDATORY> 0 0 <PREFERRED> 0 0 <COMMON> 0 0 <OTHER-SE> 12,534,661 12,534,661 <TOTAL-LIABILITY-AND-EQUITY> 12,558,090 12,558,090 <SALES> 952,571 1,812,555 <TOTAL-REVENUES> 951,840 1,831,819 <CGS> 81,328 171,996 <TOTAL-COSTS> 81,328 171,996 <OTHER-EXPENSES> 487,950 1,021,770 <LOSS-PROVISION> 0 0 <INTEREST-EXPENSE> 0 0 <INCOME-PRETAX> 382,562 638,053 <INCOME-TAX> 0 0 <INCOME-CONTINUING> 382,562 638,053 <DISCONTINUED> 0 0 <EXTRAORDINARY> 0 0 <CHANGES> 0 0 <NET-INCOME> 382,562 638,053 <EPS-BASIC> 0 0 <EPS-DILUTED> 0 0