<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONDENSED STATEMENTS OF INCOME AND THE CONDENSED BALANCE SHEETS AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.


                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-2000
<PERIOD-START>                             JAN-01-2000
<PERIOD-END>                               JUN-30-2000
<CASH>                                               0
<SECURITIES>                                         0
<RECEIVABLES>                               25,716,000
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                            36,195,000
<PP&E>                                     220,696,000
<DEPRECIATION>                              53,586,000
<TOTAL-ASSETS>                             204,853,000
<CURRENT-LIABILITIES>                       28,282,000
<BONDS>                                     82,121,000
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        42,000
<OTHER-SE>                                  61,969,000
<TOTAL-LIABILITY-AND-EQUITY>               204,853,000
<SALES>                                    125,104,000
<TOTAL-REVENUES>                           125,104,000
<CGS>                                                0
<TOTAL-COSTS>                              115,847,000
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                           2,808,000
<INCOME-PRETAX>                              6,603,000
<INCOME-TAX>                                 2,509,000
<INCOME-CONTINUING>                          4,094,000
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                 4,094,000
<EPS-BASIC>                                       0.96
<EPS-DILUTED>                                     0.96