<TABLE> <S> <C>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED STATEMENT OF EARNINGS AND THE CONSOLIDATED BALANCE SHEETS AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> JUN-30-2000
<CASH> 86
<SECURITIES> 0
<RECEIVABLES> 20,068
<ALLOWANCES> 470
<INVENTORY> 8,885
<CURRENT-ASSETS> 104,592
<PP&E> 672,891
<DEPRECIATION> 359,747
<TOTAL-ASSETS> 439,556
<CURRENT-LIABILITIES> 43,048
<BONDS> 140,195
0
0
<COMMON> 1
<OTHER-SE> 168,796
<TOTAL-LIABILITY-AND-EQUITY> 439,556
<SALES> 0
<TOTAL-REVENUES> 141,676
<CGS> 0
<TOTAL-COSTS> 126,346
<OTHER-EXPENSES> 12,079
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 6,346
<INCOME-PRETAX> 4,933
<INCOME-TAX> 1,977
<INCOME-CONTINUING> 2,956
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 2,956
<EPS-BASIC> 0
<EPS-DILUTED> 0
</TABLE>