<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-START> APR-01-1999 <PERIOD-END> JUN-30-1999 <CASH> 767,000 <SECURITIES> 0 <RECEIVABLES> 1,278,000 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 2,148,000 <PP&E> 52,871,000 <DEPRECIATION> 33,033,000 <TOTAL-ASSETS> 22,511,000 <CURRENT-LIABILITIES> 6,700,000 <BONDS> 3,699,000 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 19,000 <OTHER-SE> 12,093,000 <TOTAL-LIABILITY-AND-EQUITY> 22,511,000 <SALES> 2,738,000 <TOTAL-REVENUES> 2,778,000 <CGS> 0 <TOTAL-COSTS> 975,000 <OTHER-EXPENSES> 2,890,000 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 191,000 <INCOME-PRETAX> (1,258,000) <INCOME-TAX> 0 <INCOME-CONTINUING> (1,258,000) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (1,258,000) <EPS-BASIC> (0.06) <EPS-DILUTED> (0.06)