<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE CONSOLIDATED BALANCE SHEETS AND CONSOLIDATED INCOME STATEMENT FOR THE PERIOD ENDING DECEMBER 31, 1997. </LEGEND> <RESTATED> <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1998 <PERIOD-START> JAN-01-1998 <PERIOD-END> JUN-30-1998 <CASH> 393,856 <SECURITIES> 0 <RECEIVABLES> 3,451,724 <ALLOWANCES> (247,614) <INVENTORY> 36,244 <CURRENT-ASSETS> 6,202,862 <PP&E> 62,357,240 <DEPRECIATION> 23,089,429 <TOTAL-ASSETS> 51,848,624 <CURRENT-LIABILITIES> 5,378,514 <BONDS> 11,158,225 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 1,506,512 <OTHER-SE> 14,792,083 <TOTAL-LIABILITY-AND-EQUITY> 51,848,624 <SALES> 10,725,427 <TOTAL-REVENUES> 11,603,692 <CGS> 5,912,067 <TOTAL-COSTS> 10,311,376 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 59,135 <INTEREST-EXPENSE> 437,893 <INCOME-PRETAX> 1,083,602 <INCOME-TAX> 434,000 <INCOME-CONTINUING> 649,602 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 649,602 <EPS-PRIMARY> 0.43 <EPS-DILUTED> 0.43