<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-START> JAN-01-1999 <PERIOD-END> JUN-30-1999 <CASH> 491,641 <SECURITIES> 0 <RECEIVABLES> 3,007,466 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 3,789,032 <PP&E> 105,070,719 <DEPRECIATION> 63,232,136 <TOTAL-ASSETS> 45,905,725 <CURRENT-LIABILITIES> 1,615,655 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 12,808,040 <OTHER-SE> 3,719,743 <TOTAL-LIABILITY-AND-EQUITY> 45,905,725 <SALES> 6,118,585 <TOTAL-REVENUES> 6,208,976 <CGS> 0 <TOTAL-COSTS> 6,482,512 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 592,634 <INCOME-PRETAX> (866,170) <INCOME-TAX> (405,416) <INCOME-CONTINUING> (460,754) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (460,754) <EPS-BASIC> (.04) <EPS-DILUTED> (.04)