<ARTICLE> 5
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-END>                               MAR-31-1997
<CASH>                                       2,036,705
<SECURITIES>                                         0
<RECEIVABLES>                                1,467,168
<ALLOWANCES>                                 (677,123)
<INVENTORY>                                          0
<CURRENT-ASSETS>                                     0
<PP&E>                                      71,461,648
<DEPRECIATION>                            (33,357,719)
<TOTAL-ASSETS>                              42,210,795
<CURRENT-LIABILITIES>                                0
<BONDS>                                      7,381,507
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                             0
<OTHER-SE>                                  33,262,326
<TOTAL-LIABILITY-AND-EQUITY>                42,210,795
<SALES>                                      2,215,120
<TOTAL-REVENUES>                             2,254,557
<CGS>                                        1,224,123
<TOTAL-COSTS>                                2,012,013
<OTHER-EXPENSES>                               250,530
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                             211,015
<INCOME-PRETAX>                              (219,001)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                          (219,001)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                 (219,001)
<EPS-PRIMARY>                                        0
<EPS-DILUTED>                                        0