<ARTICLE> 5

                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-END>                               SEP-30-1999
<CASH>                                       9,594,900
<SECURITIES>                                         0
<RECEIVABLES>                               11,071,100
<ALLOWANCES>                                   406,900
<INVENTORY>                                    509,500
<CURRENT-ASSETS>                            23,076,500
<PP&E>                                     105,035,600
<DEPRECIATION>                              30,135,600
<TOTAL-ASSETS>                             100,798,700
<CURRENT-LIABILITIES>                       22,028,300
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                       157,100
<OTHER-SE>                                  68,961,000
<TOTAL-LIABILITY-AND-EQUITY>               100,798,700
<SALES>                                     67,154,100
<TOTAL-REVENUES>                            72,572,000
<CGS>                                       59,387,700
<TOTAL-COSTS>                               64,295,000
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                              8,277,000
<INCOME-TAX>                                 2,056,400
<INCOME-CONTINUING>                          6,220,600
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                 6,220,600
<EPS-BASIC>                                      .40
<EPS-DILUTED>                                      .38