<TABLE> <S> <C>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION GENERATED FROM FORM 10Q FOR
THE PERIOD ENDED JUNE 30, 2000 AND IS QUALIFIED IN ITS ENTIRETY TO SUCH
FINANCIAL STATEMENTS
</LEGEND>
<S> <C>
<MULTIPLIER> 1,000
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> JUN-30-2000
<CASH> 19,688
<SECURITIES> 1,056
<RECEIVABLES> 31,247
<ALLOWANCES> 6,351
<INVENTORY> 0
<CURRENT-ASSETS> 62,010
<PP&E> 468,733
<DEPRECIATION> 367,830
<TOTAL-ASSETS> 297,054
<CURRENT-LIABILITIES> 42,291
<BONDS> 264,575
0
0
<COMMON> 297
<OTHER-SE> (14,492)
<TOTAL-LIABILITY-AND-EQUITY> 297,054
<SALES> 63,544
<TOTAL-REVENUES> 63,544
<CGS> 29,297
<TOTAL-COSTS> 29,297
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 14,910
<INCOME-PRETAX> 12,091
<INCOME-TAX> 8,291
<INCOME-CONTINUING> 2,773
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 2,733
<EPS-BASIC> $0.09
<EPS-DILUTED> $0.09
</TABLE>