<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