<ARTICLE> 5
<MULTIPLIER> 1,000
       
                                                                                            
<PERIOD-TYPE>                   6-MOS                   6-MOS                   3-MOS                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1998             DEC-31-1997             DEC-31-1998             DEC-31-1997
<PERIOD-START>                             JAN-01-1998             JAN-01-1997             APR-01-1998             APR-01-1997
<PERIOD-END>                               JUN-30-1998             JUN-30-1997             JUN-30-1998             JUN-30-1997
<CASH>                                           2,532                   1,236                   2,532                   1,236
<SECURITIES>                                         0                       0                       0                       0
<RECEIVABLES>                                   40,514                  25,930                  40,514                  25,930
<ALLOWANCES>                                   (2,801)                 (1,321)                 (2,801)                 (1,321)
<INVENTORY>                                      1,354                     878                   1,354                     878
<CURRENT-ASSETS>                                45,577                  27,538                  45,577                  27,538
<PP&E>                                         252,485                 187,228                 252,485                 187,228
<DEPRECIATION>                                (61,262)                (49,012)                (61,262)                (49,012)
<TOTAL-ASSETS>                                 582,518                 342,157                 582,518                 342,157
<CURRENT-LIABILITIES>                           60,560                  39,307                  60,560                  39,307
<BONDS>                                        439,148                 323,231                 439,148                 323,321
<PREFERRED-MANDATORY>                                0                       0                       0                       0
<PREFERRED>                                          0                       0                       0                       0
<COMMON>                                           170                       0                     170                       0
<OTHER-SE>                                      68,360                (25,491)                  68,360                (25,491)
<TOTAL-LIABILITY-AND-EQUITY>                   582,518                 342,157                 582,518                 342,157
<SALES>                                              0                       0                       0                       0
<TOTAL-REVENUES>                               120,436                  86,440                  64,146                  46,208
<CGS>                                                0                       0                       0                       0
<TOTAL-COSTS>                                  106,282                  71,624                  57,436                  38,168
<OTHER-EXPENSES>                                     0                       0                       0                       0
<LOSS-PROVISION>                                   402                     526                    (87)                     339
<INTEREST-EXPENSE>                              18,683                  14,855                  10,383                   8,143
<INCOME-PRETAX>                                (4,529)                    (39)                 (3,673)                   (103)
<INCOME-TAX>                                       965                       0                     784                       0
<INCOME-CONTINUING>                            (5,494)                    (39)                 (4,457)                   (103)
<DISCONTINUED>                                       0                       0                       0                       0
<EXTRAORDINARY>                                      0                       0                       0                       0
<CHANGES>                                            0                       0                       0                       0
<NET-INCOME>                                   (5,494)                    (39)                 (4,457)                   (103)
<EPS-PRIMARY>                                   (0.33)                       0                  (0.27)                       0
<EPS-DILUTED>                                   (0.33)                       0                  (0.27)                       0