<TABLE> <S> <C>

<ARTICLE> 5
<MULTIPLIER> 1,000
<RESTATED>

<S>                             <C>                     <C>                     <C>
<PERIOD-TYPE>                                    3-MOS                   3-MOS                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1997             DEC-31-1997             DEC-31-1997
<PERIOD-START>                             JAN-01-1997             APR-01-1997             JUL-01-1997
<PERIOD-END>                               MAR-31-1997             JUN-30-1997             SEP-30-1997
<CASH>                                           7,302                  14,008                   1,258
<SECURITIES>                                         0                       0                       0
<RECEIVABLES>                                    2,506                   3,266                   3,501
<ALLOWANCES>                                     1,000                   1,000                   1,000
<INVENTORY>                                          0                       0                       0
<CURRENT-ASSETS>                                 8,808                  16,274                   3,759
<PP&E>                                         421,166                 462,817                 566,994
<DEPRECIATION>                                  31,170                  33,691                  36,744
<TOTAL-ASSETS>                                 406,830                 458,119                 548,576
<CURRENT-LIABILITIES>                           10,842                  11,908                  14,850
<BONDS>                                        208,998                 210,170                 290,035
<PREFERRED-MANDATORY>                                0                       0                       0
<PREFERRED>                                          0                       3                       7
<COMMON>                                           122                     143                     143
<OTHER-SE>                                     183,350                 227,500                 235,076
<TOTAL-LIABILITY-AND-EQUITY>                   406,830                 458,119                 548,576
<SALES>                                              0                       0                       0
<TOTAL-REVENUES>                                14,813                  15,919                  18,457
<CGS>                                                0                       0                       0
<TOTAL-COSTS>                                    7,778                   8,303                   9,515
<OTHER-EXPENSES>                                     0                       0                       0
<LOSS-PROVISION>                                     0                       0                       0
<INTEREST-EXPENSE>                               3,953                   3,999                   4,699
<INCOME-PRETAX>                                      0                       0                       0
<INCOME-TAX>                                         0                       0                       0
<INCOME-CONTINUING>                              3,082                   3,597                   4,179
<DISCONTINUED>                                       0                       0                       0
<EXTRAORDINARY>                                      0                       0                       0
<CHANGES>                                            0                       0                       0
<NET-INCOME>                                     3,082                   3,371                   3,904
<EPS-PRIMARY>                                      .27                     .27                     .27
<EPS-DILUTED>                                      .26                     .26                     .27


</TABLE>