<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM 2ND QUARTER 1997 FINANCIAL STAEMENTS AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS. </LEGEND> <MULTIPLIER> 1,000 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-START> JAN-01-1997 <PERIOD-END> JUN-30-1997 <CASH> 1,996 <SECURITIES> 0 <RECEIVABLES> 15,484 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 19,572 <PP&E> 140,211 <DEPRECIATION> 48,007 <TOTAL-ASSETS> 117,814 <CURRENT-LIABILITIES> 11,860 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 65,047 <OTHER-SE> 6,172 <TOTAL-LIABILITY-AND-EQUITY> 117,814 <SALES> 36,598 <TOTAL-REVENUES> 36,598 <CGS> 31,434 <TOTAL-COSTS> 37,303 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 115 <INCOME-PRETAX> (348) <INCOME-TAX> (70) <INCOME-CONTINUING> (278) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (278) <EPS-PRIMARY> (.01) <EPS-DILUTED> (.01)