<ARTICLE> 5

                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-2000
<PERIOD-END>                               MAR-31-2000
<CASH>                                           4,152
<SECURITIES>                                         0
<RECEIVABLES>                                   32,351
<ALLOWANCES>                                       891
<INVENTORY>                                          0
<CURRENT-ASSETS>                                38,954
<PP&E>                                         947,308
<DEPRECIATION>                                 507,503
<TOTAL-ASSETS>                                 483,108
<CURRENT-LIABILITIES>                           38,567
<BONDS>                                        270,000
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                    135,000
<COMMON>                                           476
<OTHER-SE>                                      39,065
<TOTAL-LIABILITY-AND-EQUITY>                   483,108
<SALES>                                         47,930
<TOTAL-REVENUES>                                48,061
<CGS>                                           30,878
<TOTAL-COSTS>                                   30,878
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               6,332
<INCOME-PRETAX>                                 10,851
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                             10,851
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    10,851
<EPS-BASIC>                                       0.20
<EPS-DILUTED>                                     0.18