WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

  


<ARTICLE>                     5
<LEGEND>
                  The schedule contains summary financial  information extracted
                  from the Company's  consolidated  financial  statements and is
                  qualified  in its  entirety  by  reference  to such  financial
                  statements.
</LEGEND>
<CURRENCY>                                     U.S Dollars
       
                                                                       
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                              SEP-30-1998
<PERIOD-START>                                 OCT-01-1997
<PERIOD-END>                                   MAR-31-1998
<CASH>                                          10,144,044
<SECURITIES>                                             0
<RECEIVABLES>                                   19,868,899
<ALLOWANCES>                                       (99,000)
<INVENTORY>                                        529,297
<CURRENT-ASSETS>                                34,200,945
<PP&E>                                          83,329,315
<DEPRECIATION>                                 (16,502,447)
<TOTAL-ASSETS>                                 101,223,583
<CURRENT-LIABILITIES>                           19,247,266
<BONDS>                                                  0
<PREFERRED-MANDATORY>                                    0
<PREFERRED>                                              0
<COMMON>                                            62,866
<OTHER-SE>                                      60,104,858
<TOTAL-LIABILITY-AND-EQUITY>                   101,233,583
<SALES>                                                  0
<TOTAL-REVENUES>                                93,155,831
<CGS>                                                    0
<TOTAL-COSTS>                                   91,875,422
<OTHER-EXPENSES>                                         0
<LOSS-PROVISION>                                         0
<INTEREST-EXPENSE>                                 819,245
<INCOME-PRETAX>                                    461,164
<INCOME-TAX>                                       174,320
<INCOME-CONTINUING>                                286,844
<DISCONTINUED>                                           0
<EXTRAORDINARY>                                          0
<CHANGES>                                                0
<NET-INCOME>                                       286,844
<EPS-PRIMARY>                                          .05
<EPS-DILUTED>                                          .04