<ARTICLE> 5 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-START> JAN-01-1999 <PERIOD-END> MAR-31-1999 <CASH> 2,593,000 <SECURITIES> 0 <RECEIVABLES> 1,727,000 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 4,378,000 <PP&E> 80,571,000 <DEPRECIATION> 59,804,000 <TOTAL-ASSETS> 27,241,000 <CURRENT-LIABILITIES> 9,546,000 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 1,723,000 <OTHER-SE> 15,595,000 <TOTAL-LIABILITY-AND-EQUITY> 27,241,000 <SALES> 1,709,000 <TOTAL-REVENUES> 1,752,000 <CGS> 1,417,000 <TOTAL-COSTS> 2,740,000 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 154,000 <INCOME-PRETAX> (1,142,000) <INCOME-TAX> 0 <INCOME-CONTINUING> (1,142,000) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 1,142,000 <EPS-PRIMARY> 0.330 <EPS-DILUTED> 0.330