<TABLE> <S> <C>

<ARTICLE> 5
<MULTIPLIER> 1,000
       
<S>                            <C>                 <C>                     <C>                     <C>                <C>          
<PERIOD-TYPE>                     3-MOS               3-MOS                     6-MOS                  3-MOS              6-MOS    
 
<FISCAL-YEAR-END>              DEC-31-1998         DEC-31-1997             DEC-31-1997             DEC-31-1997        DEC-31-1997   
<PERIOD-END>                   MAR-31-1998         JUN-30-1997             JUN-30-1997             SEP-30-1997        SEP-30-1997   
<CASH>                               8,249                   0                       0                       0                  0   
<SECURITIES>                             0                   0                       0                       0                  0   
<RECEIVABLES>                        8,631                   0                       0                       0                  0   
<ALLOWANCES>                             0                   0                       0                       0                  0   
<INVENTORY>                              0                   0                       0                       0                  0   
<CURRENT-ASSETS>                    28,863                   0                       0                       0                  0   
<PP&E>                             178,427                   0                       0                       0                  0   
<DEPRECIATION>                      20,822                   0                       0                       0                  0   
<TOTAL-ASSETS>                     233,448                   0                       0                       0                  0   
<CURRENT-LIABILITIES>               15,985                   0                       0                       0                  0   
<BONDS>                             80,910                   0                       0                       0                  0   
<PREFERRED-MANDATORY>                    0                   0                       0                       0                  0   
<PREFERRED>                              0                   0                       0                       0                  0   
<COMMON>                               151                   0                       0                       0                  0   
<OTHER-SE>                         134,333                   0                       0                       0                  0   
<TOTAL-LIABILITY-AND-EQUITY>       233,448                   0                       0                       0                  0   
<SALES>                             15,270               9,057                  23,544                  13,156             36,700   
<TOTAL-REVENUES>                    15,958               9,841                  23,063                  13,671             36,734   
<CGS>                                    0                   0                       0                       0                  0   
<TOTAL-COSTS>                        4,418               2,882                   6,355                   4,881             11,236   
<OTHER-EXPENSES>                     7,390               5,051                  12,275                   5,469             17,744   
<LOSS-PROVISION>                         0                   0                       0                       0                  0   
<INTEREST-EXPENSE>                     655               1,235                   2,344                     504              2,848   
<INCOME-PRETAX>                      3,495                 673                   2,089                   2,817              4,906   
<INCOME-TAX>                         1,334                   0                   1,735                   1,183              2,918   
<INCOME-CONTINUING>                  2,161                 673                     354                   1,634              1,988   
<DISCONTINUED>                           0                   0                       0                       0                  0   
<EXTRAORDINARY>                          0                   0                       0                       0                  0   
<CHANGES>                                0                   0                       0                       0                  0   
<NET-INCOME>                         2,161                 673                     354                   1,634              1,988   
<EPS-PRIMARY>                          .14                0.09                    0.04                     .11               0.19   
<EPS-DILUTED>                          .14                0.08                    0.04                     .11               0.18   
        

</TABLE>