<ARTICLE> 5 <MULTIPLIER> 1,000 <CURRENCY> U.S. DOLLARS <PERIOD-TYPE> 12-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-START> JAN-01-1999 <PERIOD-END> DEC-31-1999 <EXCHANGE-RATE> 1 <CASH> 14,195 <SECURITIES> 0 <RECEIVABLES> 22,971 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 39,455 <PP&E> 297,821 <DEPRECIATION> 145,713 <TOTAL-ASSETS> 230,438 <CURRENT-LIABILITIES> 26,015 <BONDS> 13,000 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 139 <OTHER-SE> 188,633 <TOTAL-LIABILITY-AND-EQUITY> 230,438 <SALES> 72,494 <TOTAL-REVENUES> 74,021 <CGS> 18,681 <TOTAL-COSTS> 18,681 <OTHER-EXPENSES> 1,744 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 933 <INCOME-PRETAX> (324) <INCOME-TAX> (406) <INCOME-CONTINUING> 82 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 82 <EPS-BASIC> 0.01 <EPS-DILUTED> 0.01