
<TABLE> <S> <C>

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<CURRENCY>                    US Dollars
       
<S>                           <C>
<PERIOD-TYPE>                 12-MOS    
<FISCAL-YEAR-END>             DEC-31-1998     
<PERIOD-START>                JAN-1-1998
<PERIOD-END>                  DEC-31-1998
<EXCHANGE-RATE>               1.0  
<CASH>                        2926
<SECURITIES>                  0
<RECEIVABLES>                 54265
<ALLOWANCES>                  1065
<INVENTORY>                   1929
<CURRENT-ASSETS>              66119
<PP&E>                        282358
<DEPRECIATION>                81821
<TOTAL-ASSETS>                272959
<CURRENT-LIABILITIES>         19747
<BONDS>                       0
<PREFERRED-MANDATORY>         0
<PREFERRED>                   0
<COMMON>                      126
<OTHER-SE>                    24
<TOTAL-LIABILITY-AND-EQUITY>  272959
<SALES>                       0
<TOTAL-REVENUES>              370546
<CGS>                         0
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<OTHER-EXPENSES>              0
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<INCOME-CONTINUING>           18283
<DISCONTINUED>                0
<EXTRAORDINARY>               0
<CHANGES>                     0
<NET-INCOME>                  18283
<EPS-PRIMARY>                 1.27
<EPS-DILUTED>                 1.27
        


</TABLE>
