<ARTICLE> 5 <MULTIPLIER> 1,000 <CURRENCY> U.S. DOLLARS <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-START> JAN-01-1996 <PERIOD-END> JUN-30-1996 <EXCHANGE-RATE> 1 <CASH> 5,791 <SECURITIES> 0 <RECEIVABLES> 15,268 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 22,555 <PP&E> 202,929 <DEPRECIATION> 114,329 <TOTAL-ASSETS> 124,207 <CURRENT-LIABILITIES> 17,036 <BONDS> 35,573 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 85 <OTHER-SE> 64,383 <TOTAL-LIABILITY-AND-EQUITY> 124,207 <SALES> 24,745 <TOTAL-REVENUES> 25,030 <CGS> 5,926 <TOTAL-COSTS> 5,926 <OTHER-EXPENSES> 93 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 840 <INCOME-PRETAX> 3,905 <INCOME-TAX> 1,217 <INCOME-CONTINUING> 2,688 <DISCONTINUED> 159 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 2,847 <EPS-PRIMARY> .33 <EPS-DILUTED> .33