<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FORM 10-Q,
JUNE 30, 1998 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL
STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                                                  
<PERIOD-TYPE>                   3-MOS                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1998             DEC-31-1998
<PERIOD-START>                             APR-01-1998             JAN-01-1998
<PERIOD-END>                               JUN-30-1998             JUN-30-1998
<CASH>                                              58                      58
<SECURITIES>                                         0                       0
<RECEIVABLES>                                   11,307                  11,307
<ALLOWANCES>                                         0                       0
<INVENTORY>                                      1,034                   1,034
<CURRENT-ASSETS>                                16,782                  16,782
<PP&E>                                         370,956                 370,956
<DEPRECIATION>                                 143,878                 143,878
<TOTAL-ASSETS>                                 247,754                 247,754
<CURRENT-LIABILITIES>                           14,340                  14,340
<BONDS>                                        134,341                 134,341
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                        27,385                  27,385
<OTHER-SE>                                      61,338                  61,338
<TOTAL-LIABILITY-AND-EQUITY>                   247,754                 247,754
<SALES>                                         15,471                  32,545
<TOTAL-REVENUES>                                16,019                  33,434
<CGS>                                            6,623                  13,173
<TOTAL-COSTS>                                   19,651                  38,821
<OTHER-EXPENSES>                                     0                       0
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                               3,227                   6,373
<INCOME-PRETAX>                                 (6,859)                (11,760)
<INCOME-TAX>                                    (2,184)                 (3,529)
<INCOME-CONTINUING>                             (4,675)                 (8,231)
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                    (4,675)                 (8,231)
<EPS-PRIMARY>                                     (.52)                   (.92)
<EPS-DILUTED>                                     (.52)                   (.92)