<ARTICLE> 5
       
                                                             
<PERIOD-TYPE>                              6-MOS                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1998             DEC-31-1997
<PERIOD-END>                               JUN-30-1998             JUN-30-1997<F1>
<CASH>                                      19,733,733               2,798,505
<SECURITIES>                                         0                       0
<RECEIVABLES>                                5,015,422               5,326,016
<ALLOWANCES>                                         0                       0
<INVENTORY>                                          0                       0
<CURRENT-ASSETS>                            26,409,627               9,467,828
<PP&E>                                      55,414,849              67,830,251
<DEPRECIATION>                               9,956,345               7,673,130
<TOTAL-ASSETS>                              91,410,085              81,418,422
<CURRENT-LIABILITIES>                       18,801,379              14,679,013
<BONDS>                                              0                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                        30,914                  31,507
<OTHER-SE>                                  20,156,283              22,029,890
<TOTAL-LIABILITY-AND-EQUITY>                91,410,085              81,418,422
<SALES>                                     32,930,643              30,658,528
<TOTAL-REVENUES>                            32,930,643              30,658,528
<CGS>                                       27,283,078              25,390,813
<TOTAL-COSTS>                               27,283,078              25,390,813
<OTHER-EXPENSES>                             4,456,357               4,375,713
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                           3,558,874               1,687,392
<INCOME-PRETAX>                            (1,570,721)               (481,814)
<INCOME-TAX>                                 (644,000)               (248,000)
<INCOME-CONTINUING>                          (926,721)               (233,814)
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                              (332,738)                       0
<CHANGES>                                            0                       0
<NET-INCOME>                               (1,259,459)               (233,814)
<EPS-PRIMARY>                                   (0.20)                  (0.04)
<EPS-DILUTED>                                   (0.21)                  (0.05)
<FN>
<F1>Restated
</FN>