<ARTICLE> 5
       
                                                  
<PERIOD-TYPE>                   YEAR                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1993             DEC-31-1994
<PERIOD-END>                               DEC-31-1993             DEC-31-1994
<CASH>                                       1,870,476                 958,005
<SECURITIES>                                         0                       0
<RECEIVABLES>                                  478,536                 411,307
<ALLOWANCES>                                   113,000                  60,000
<INVENTORY>                                          0                       0
<CURRENT-ASSETS>                             2,236,012               1,309,312
<PP&E>                                      18,020,996              15,830,989
<DEPRECIATION>                              11,753,129              10,675,416
<TOTAL-ASSETS>                               8,503,879               6,464,885
<CURRENT-LIABILITIES>                          719,470                 626,973
<BONDS>                                        591,954                 223,620
<COMMON>                                             0                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<OTHER-SE>                                   7,192,455               5,614,292
<TOTAL-LIABILITY-AND-EQUITY>                 8,503,879               6,464,885
<SALES>                                              0                       0
<TOTAL-REVENUES>                             2,652,999               2,098,829
<CGS>                                                0                       0
<TOTAL-COSTS>                                        0                       0
<OTHER-EXPENSES>                             2,206,888               1,376,330
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                              58,308                  23,228
<INCOME-PRETAX>                                      0                       0
<INCOME-TAX>                                         0                       0
<INCOME-CONTINUING>                            387,803                 699,271
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                   387,803                 699,271
<EPS-PRIMARY>                                        0                       0
<EPS-DILUTED>                                        0                       0