<ARTICLE> 5 <PERIOD-TYPE> 12-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-START> JAN-1-1997 <PERIOD-END> DEC-31-1997 <CASH> 623,343 <SECURITIES> 0 <RECEIVABLES> 76,530 <ALLOWANCES> 0 <INVENTORY> 52,376 <CURRENT-ASSETS> 806,416 <PP&E> 4,811,324 <DEPRECIATION> 1,375,631 <TOTAL-ASSETS> 4,246,160 <CURRENT-LIABILITIES> 868,513 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 221,207 <OTHER-SE> 1,787,811 <TOTAL-LIABILITY-AND-EQUITY> 4,246,160 <SALES> 0 <TOTAL-REVENUES> 3,816,821 <CGS> 0 <TOTAL-COSTS> 3,292,585 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 63,454 <INCOME-PRETAX> 516,956 <INCOME-TAX> 199,184 <INCOME-CONTINUING> 317,772 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 317,772 <EPS-PRIMARY> 1.45 <EPS-DILUTED> 1.40