<ARTICLE> 5 <LEGEND> This schedule contains summary financial information extracted from the June 30, 1996 quarterly consolidated financial statements and is qualified in its entirety by reference to such financial statements. </LEGEND> <MULTIPLIER> 1,000 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-START> JAN-01-1996 <PERIOD-END> JUN-30-1996 <CASH> 3,939 <SECURITIES> 0 <RECEIVABLES> 69,097 <ALLOWANCES> 1,097 <INVENTORY> 2,700 <CURRENT-ASSETS> 95,637 <PP&E> 587,394 <DEPRECIATION> 155,029 <TOTAL-ASSETS> 530,657 <CURRENT-LIABILITIES> 62,050 <BONDS> 223,849 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 311 <OTHER-SE> 200,449 <TOTAL-LIABILITY-AND-EQUITY> 530,657 <SALES> 0 <TOTAL-REVENUES> 347,245 <CGS> 0 <TOTAL-COSTS> 335,360 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0<F1> <INTEREST-EXPENSE> 6,698 <INCOME-PRETAX> 5,380 <INCOME-TAX> 2,077 <INCOME-CONTINUING> 3,303 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 3,303 <EPS-PRIMARY> .11 <EPS-DILUTED> .11 <FN> <F1>Provision for Doubtful accounts included in costs and expenses applicable to revenues. </FN>