<ARTICLE>  5
<LEGEND>
THE SCHEDULE CONTAINS SUMMARY FINANCIAL  INFORMATION EXTRACTED FROM REGISTRANT'S
FINANCIAL STATEMENTS FOR THE QUARTER ENDED JUNE 30, 1998 AND IS QUALIFIED IN ITS
ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER>  1,000
       
                                         
<PERIOD-TYPE>                               6-MOS
<FISCAL-YEAR-END>                           DEC-31-1998
<PERIOD-END>                                JUN-30-1998
<CASH>                                          2,193
<SECURITIES>                                      451
<RECEIVABLES>                                   4,388
<ALLOWANCES>                                        0
<INVENTORY>                                         0
<CURRENT-ASSETS>                                7,032
<PP&E>                                        158,673
<DEPRECIATION>                                 22,568
<TOTAL-ASSETS>                                143,147
<CURRENT-LIABILITIES>                           2,853
<BONDS>                                        36,338
<PREFERRED-MANDATORY>                               0
<PREFERRED>                                         0
<COMMON>                                      103,161
<OTHER-SE>                                     (8,435)
<TOTAL-LIABILITY-AND-EQUITY>                  143,147
<SALES>                                             0
<TOTAL-REVENUES>                                9,595
<CGS>                                               0
<TOTAL-COSTS>                                   5,566
<OTHER-EXPENSES>                                    0
<LOSS-PROVISION>                                    0
<INTEREST-EXPENSE>                              1,677
<INCOME-PRETAX>                                 2,352
<INCOME-TAX>                                        0
<INCOME-CONTINUING>                                 0
<DISCONTINUED>                                      0
<EXTRAORDINARY>                                     0
<CHANGES>                                           0
<NET-INCOME>                                    2,352
<EPS-PRIMARY>                                    0.19
<EPS-DILUTED>                                    0.19