<ARTICLE> 5 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-END> SEP-30-1997 <CASH> 2,417,718 <SECURITIES> 0 <RECEIVABLES> 1,384,959 <ALLOWANCES> (677,123) <INVENTORY> 0 <CURRENT-ASSETS> 0 <PP&E> 51,579,541 <DEPRECIATION> (26,450,623) <TOTAL-ASSETS> 41,281,291 <CURRENT-LIABILITIES> 0 <BONDS> 7,170,048 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 32,841,428 <TOTAL-LIABILITY-AND-EQUITY> 41,281,291 <SALES> 7,002,469 <TOTAL-REVENUES> 7,116,355 <CGS> 3,616,238 <TOTAL-COSTS> 5,897,614 <OTHER-EXPENSES> 741,056 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 617,583 <INCOME-PRETAX> (139,898) <INCOME-TAX> 0 <INCOME-CONTINUING> (139,898) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (139,898) <EPS-PRIMARY> 0 <EPS-DILUTED> 0