<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-START> JAN-01-1996 <PERIOD-END> JUN-30-1996 <CASH> 1,992,912 <SECURITIES> 0 <RECEIVABLES> 3,522,522 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 6,097,793 <PP&E> 101,816,817 <DEPRECIATION> 59,319,185 <TOTAL-ASSETS> 56,970,648 <CURRENT-LIABILITIES> 1,452,400 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 12,751,100 <OTHER-SE> 0 <TOTAL-LIABILITY-AND-EQUITY> 56,970,648 <SALES> 7,568,678 <TOTAL-REVENUES> 7,912,657 <CGS> 0 <TOTAL-COSTS> 6,886,568 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 1,026,089 <INCOME-TAX> 205,033 <INCOME-CONTINUING> 821,056 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 821,056 <EPS-PRIMARY> .06 <EPS-DILUTED> .06