<ARTICLE> 5
<CIK> 0000837290
<NAME> SHERRI NITTA
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JUL-01-1999
<PERIOD-END>                               SEP-30-1999
<CASH>                                           3,906
<SECURITIES>                                         0
<RECEIVABLES>                                   10,674
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                                15,248
<PP&E>                                         232,415
<DEPRECIATION>                                  77,638
<TOTAL-ASSETS>                                 171,503
<CURRENT-LIABILITIES>                           12,341
<BONDS>                                         65,000
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         2,948
<OTHER-SE>                                      70,085
<TOTAL-LIABILITY-AND-EQUITY>                   171,503
<SALES>                                         15,735
<TOTAL-REVENUES>                                15,828
<CGS>                                           11,600
<TOTAL-COSTS>                                   11,600
<OTHER-EXPENSES>                                   713
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               1,093
<INCOME-PRETAX>                                  2,858
<INCOME-TAX>                                     1,086
<INCOME-CONTINUING>                              1,772
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     1,772
<EPS-BASIC>                                        .15
<EPS-DILUTED>                                      .15