<ARTICLE> 5
<LEGEND>
THE SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE COMPANY'S
CONSOLIDATED FINANCIAL STATEMENTS AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE
TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-END>                               SEP-30-1997
<CASH>                                             686
<SECURITIES>                                         0
<RECEIVABLES>                                        0
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                                   686
<PP&E>                                         247,800
<DEPRECIATION>                                (89,023)
<TOTAL-ASSETS>                                 160,422
<CURRENT-LIABILITIES>                           25,344
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                             0
<OTHER-SE>                                      10,052
<TOTAL-LIABILITY-AND-EQUITY>                   160,422
<SALES>                                         11,866
<TOTAL-REVENUES>                                11,866
<CGS>                                                0
<TOTAL-COSTS>                                    6,288
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               3,134
<INCOME-PRETAX>                                  2,444
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                              2,444
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     2,444
<EPS-PRIMARY>                                     0.58
<EPS-DILUTED>                                     0.58