<ARTICLE> 5 <MULTIPLIER> 1,000 <CURRENCY> U.S. DOLLARS <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-START> JAN-01-1996 <PERIOD-END> SEP-30-1996 <EXCHANGE-RATE> 1 <CASH> 4,405 <SECURITIES> 0 <RECEIVABLES> 20,707 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 27,293 <PP&E> 210,390 <DEPRECIATION> 117,586 <TOTAL-ASSETS> 132,680 <CURRENT-LIABILITIES> 20,874 <BONDS> 36,324 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 88 <OTHER-SE> 71,052 <TOTAL-LIABILITY-AND-EQUITY> 132,680 <SALES> 39,689 <TOTAL-REVENUES> 40,179 <CGS> 9,262 <TOTAL-COSTS> 9,262 <OTHER-EXPENSES> 111 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 1,407 <INCOME-PRETAX> 8,535 <INCOME-TAX> 2,773 <INCOME-CONTINUING> 5,762 <DISCONTINUED> 159 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 5,921 <EPS-PRIMARY> .68 <EPS-DILUTED> .68