<ARTICLE>  5








          <LEGEND>
          THIS  SCHEDULE CONTAINS  SUMMARY FINANCIAL  INFORMATION EXTRACTED
          FROM THE JUNE 30,  1995 FINANCIAL STATEMENTS AND IS  QUALIFIED IN
          ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
          </LEGEND>
          
               
               <MULTIPLIER>                       1,000
               <RESTATED>
               <PERIOD-TYPE>                      6-MOS
               <FISCAL-YEAR-END>                  DEC-31-1995
               <PERIOD-END>                       JUN-30-1995


               <CASH>                             $ 97,252
               <SECURITIES>                          2,990
               <RECEIVABLES>                        51,010
               <ALLOWANCES>                          1,535 
               <INVENTORY>                           2,745
               <CURRENT-ASSETS>                    167,276
               <PP&E>                              732,763
               <DEPRECIATION>                      155,915 
               <TOTAL-ASSETS>                      779,367
               <CURRENT-LIABILITIES>               102,876
               <BONDS>                             141,157
               <COMMON>                              6,665
               <PREFERRED-MANDATORY>                     0
               <PREFERRED>                               0
               <OTHER-SE>                          489,473
               <TOTAL-LIABILITY-AND-EQUITY>        779,367
               <SALES>                                   0
               <TOTAL-REVENUES>                    123,555
               <CGS>                                     0 
               <TOTAL-COSTS>                        72,259
               <OTHER-EXPENSES>                     32,474
               <LOSS-PROVISION>                        309 
               <INTEREST-EXPENSE>                    8,495
               <INCOME-PRETAX>                      15,471
               <INCOME-TAX>                            184
               <INCOME-CONTINUING>                  14,089
               <DISCONTINUED>                          617
               <EXTRAORDINARY>                           0
               <CHANGES>                                 0
               <NET-INCOME>                         14,706
               <EPS-PRIMARY>                          0.24
               <EPS-DILUTED>                          0.24