<ARTICLE> 5 <PERIOD-TYPE> YEAR <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-START> JAN-01-1997 <PERIOD-END> DEC-31-1997 <CASH> 378,801 <SECURITIES> 0 <RECEIVABLES> 2,957,677 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 4,642,157 <PP&E> 113,371,891 <DEPRECIATION> 64,846,514 <TOTAL-ASSETS> 53,541,639 <CURRENT-LIABILITIES> 1,990,134 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 12,761,100 <OTHER-SE> 0 <TOTAL-LIABILITY-AND-EQUITY> 53,541,639 <SALES> 16,457,048 <TOTAL-REVENUES> 17,944,972 <CGS> 0 <TOTAL-COSTS> 17,172,585 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 733,980 <INCOME-PRETAX> 38,407 <INCOME-TAX> 249,563 <INCOME-CONTINUING> (211,156) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (211,156) <EPS-PRIMARY> (.02) <EPS-DILUTED> (.02)