<ARTICLE> 5 <MULTIPLIER> 1,000 <CURRENCY> U.S. DOLLARS <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1998 <PERIOD-START> JAN-01-1998 <PERIOD-END> SEP-30-1998 <EXCHANGE-RATE> 1 <CASH> 3,109 <SECURITIES> 0 <RECEIVABLES> 18,492 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 22,724 <PP&E> 305,471 <DEPRECIATION> 138,540 <TOTAL-ASSETS> 206,724 <CURRENT-LIABILITIES> 17,729 <BONDS> 32,615 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 110 <OTHER-SE> 139,985 <TOTAL-LIABILITY-AND-EQUITY> 206,724 <SALES> 55,903 <TOTAL-REVENUES> 56,160 <CGS> 12,579 <TOTAL-COSTS> 12,579 <OTHER-EXPENSES> 105 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 1,129 <INCOME-PRETAX> (6,109) <INCOME-TAX> (2,088) <INCOME-CONTINUING> (4,021) <DISCONTINUED> 34 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (3,987) <EPS-PRIMARY> (0.37) <EPS-DILUTED> (0.37)