<ARTICLE> 5
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-END>                               JUN-30-1996
<CASH>                                      10,494,000
<SECURITIES>                                 3,262,000
<RECEIVABLES>                                4,883,000
<ALLOWANCES>                                 (114,000)
<INVENTORY>                                  1,783,000
<CURRENT-ASSETS>                            22,527,000
<PP&E>                                     114,159,000
<DEPRECIATION>                            (36,768,000)
<TOTAL-ASSETS>                             114,205,000
<CURRENT-LIABILITIES>                       15,929,000
<BONDS>                                     43,500,000
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                             0
<OTHER-SE>                                 (6,019,000)
<TOTAL-LIABILITY-AND-EQUITY>               114,205,000
<SALES>                                     67,066,000
<TOTAL-REVENUES>                            67,066,000
<CGS>                                       60,231,000
<TOTAL-COSTS>                               60,231,000
<OTHER-EXPENSES>                                31,000
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                           5,382,000
<INCOME-PRETAX>                              6,808,000
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                          6,808,000
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                 6,808,000
<EPS-PRIMARY>                                     1.58
<EPS-DILUTED>                                     1.58