<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the Form
10Q financial statements filed for the period entire September 30, 1996 and is
qualified in its entirety by reference to such financial statements.
</LEGEND>
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          JUN-30-1997
<PERIOD-START>                             JUL-01-1996
<PERIOD-END>                               SEP-30-1996
<CASH>                                          10,693
<SECURITIES>                                         0
<RECEIVABLES>                                   10,332
<ALLOWANCES>                                         0
<INVENTORY>                                      1,435
<CURRENT-ASSETS>                                22,702
<PP&E>                                         133,991
<DEPRECIATION>                                 103,989
<TOTAL-ASSETS>                                  52,942
<CURRENT-LIABILITIES>                           10,034
<BONDS>                                         17,698
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                             0
<OTHER-SE>                                      21,135
<TOTAL-LIABILITY-AND-EQUITY>                    52,942
<SALES>                                          8,383
<TOTAL-REVENUES>                                10,676
<CGS>                                            3,626
<TOTAL-COSTS>                                    3,820
<OTHER-EXPENSES>                                 1,981
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 380
<INCOME-PRETAX>                                  4,495
<INCOME-TAX>                                     1,614
<INCOME-CONTINUING>                              2,881
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                     18
<CHANGES>                                            0
<NET-INCOME>                                     2,899
<EPS-PRIMARY>                                    2,072
<EPS-DILUTED>                                        0