<ARTICLE> 5 <MULTIPLIER> 1000 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-END> JUN-30-1997 <CASH> 43310 <SECURITIES> 2204 <RECEIVABLES> 45431 <ALLOWANCES> 226 <INVENTORY> 13485 <CURRENT-ASSETS> 113354 <PP&E> 729854 <DEPRECIATION> 294759 <TOTAL-ASSETS> 641062 <CURRENT-LIABILITIES> 97460 <BONDS> 303593 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 6756 <OTHER-SE> 166116 <TOTAL-LIABILITY-AND-EQUITY> 641062 <SALES> 0 <TOTAL-REVENUES> 192514 <CGS> 0 <TOTAL-COSTS> 176970 <OTHER-EXPENSES> 13942 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 13942 <INCOME-PRETAX> 2337 <INCOME-TAX> 1067 <INCOME-CONTINUING> 1270 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 1270 <EPS-PRIMARY> 0.19 <EPS-DILUTED> 0.19 <FN> <F1> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FINANCIAL STATEMENTS FOR THE PERIOD ENDED JUNE 30, 1997 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMEMTS. <F2> Amounts inapplicable or not disclosed as a separate line on the Balance Sheet or Statement of Income are reported as 0 herein. <F3> Notes and accounts receivable-trade are reported net of allowances for doubtful accounts in the Balance Sheet. </FN>