<ARTICLE> 5 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-START> JAN-01-1997 <PERIOD-END> SEP-30-1997 <CASH> 285,321 <SECURITIES> 0 <RECEIVABLES> 3,370,932 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 4,177,045 <PP&E> 109,357,426 <DEPRECIATION> 63,715,369 <TOTAL-ASSETS> 50,233,928 <CURRENT-LIABILITIES> 1,331,389 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 12,761,100 <OTHER-SE> 0 <TOTAL-LIABILITY-AND-EQUITY> 50,223,928 <SALES> 12,504,373 <TOTAL-REVENUES> 13,590,332 <CGS> 0 <TOTAL-COSTS> 11,644,952 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 550,458 <INCOME-PRETAX> 1,394,922 <INCOME-TAX> 501,495 <INCOME-CONTINUING> 893,427 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 893,427 <EPS-PRIMARY> .07 <EPS-DILUTED> .07