<ARTICLE> 5 <MULTIPLIER> 1,000 <CURRENCY> U.S. DOLLARS <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-2000 <PERIOD-START> JAN-01-2000 <PERIOD-END> MAR-01-2000 <EXCHANGE-RATE> 1 <CASH> 8,651 <SECURITIES> 0 <RECEIVABLES> 30,894 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 41,305 <PP&E> 336,655 <DEPRECIATION> 153,409 <TOTAL-ASSETS> 235,223 <CURRENT-LIABILITIES> 19,612 <BONDS> 14,000 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 140 <OTHER-SE> 195,966 <TOTAL-LIABILITY-AND-EQUITY> 235,223 <SALES> 36,669 <TOTAL-REVENUES> 37,068 <CGS> 8,083 <TOTAL-COSTS> 8,083 <OTHER-EXPENSES> 642 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 86 <INCOME-PRETAX> 12,350 <INCOME-TAX> 4,464 <INCOME-CONTINUING> 7,886 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 7,886 <EPS-BASIC> 0.57 <EPS-DILUTED> 0.57