<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
ACCOMPANYING FINANCIAL STATEMENTS AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE
TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000,000

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-2000
<PERIOD-START>                             JAN-01-2000
<PERIOD-END>                               JUN-30-2000
<CASH>                                               4
<SECURITIES>                                         0
<RECEIVABLES>                                      126
<ALLOWANCES>                                         6
<INVENTORY>                                         10
<CURRENT-ASSETS>                                   140
<PP&E>                                           2,066
<DEPRECIATION>                                   1,260
<TOTAL-ASSETS>                                   1,346
<CURRENT-LIABILITIES>                              240
<BONDS>                                            460
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           250
<OTHER-SE>                                         144
<TOTAL-LIABILITY-AND-EQUITY>                     1,346
<SALES>                                            317
<TOTAL-REVENUES>                                   317
<CGS>                                                0
<TOTAL-COSTS>                                      225
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                  20
<INCOME-PRETAX>                                     73
<INCOME-TAX>                                        28
<INCOME-CONTINUING>                                 45
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                        45
<EPS-BASIC>                                          0
<EPS-DILUTED>                                        0