<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the
condensed consolidated balance sheet and the condensed consolidated statement of
operations and is qualified in its entirely by reference to such financial
statements.

<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-2000
<PERIOD-END>                               SEP-30-2000
<CASH>                                          51,275
<SECURITIES>                                         0
<RECEIVABLES>                                   55,775
<ALLOWANCES>                                         0
<INVENTORY>                                        602
<CURRENT-ASSETS>                               111,270
<PP&E>                                       1,153,565
<DEPRECIATION>                               (478,949)
<TOTAL-ASSETS>                                 830,920
<CURRENT-LIABILITIES>                           64,718
<BONDS>                                        409,727
<PREFERRED-MANDATORY>                          115,000
<PREFERRED>                                          0
<COMMON>                                           206
<OTHER-SE>                                     232,845
<TOTAL-LIABILITY-AND-EQUITY>                   830,920
<SALES>                                        230,656
<TOTAL-REVENUES>                               233,741
<CGS>                                          103,610
<TOTAL-COSTS>                                  159,028
<OTHER-EXPENSES>                                32,982
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              26,596
<INCOME-PRETAX>                                 15,135
<INCOME-TAX>                                     6,100
<INCOME-CONTINUING>                              9,035
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     9,035
<EPS-BASIC>                                       0.51
<EPS-DILUTED>                                     0.50