<ARTICLE> 5
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1995
<PERIOD-START>                              JAN-1-1995
<PERIOD-END>                               JUN-30-1995
<CASH>                                         111,940
<SECURITIES>                                    11,972
<RECEIVABLES>                                  530,714
<ALLOWANCES>                                         0
<INVENTORY>                                    268,184
<CURRENT-ASSETS>                               939,300
<PP&E>                                      18,695,506
<DEPRECIATION>                              13,706,887
<TOTAL-ASSETS>                               6,111,930
<CURRENT-LIABILITIES>                        1,012,765
<BONDS>                                        948,657
<COMMON>                                        40,357
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<OTHER-SE>                                   3,987,151
<TOTAL-LIABILITY-AND-EQUITY>                 6,111,930
<SALES>                                      1,422,101
<TOTAL-REVENUES>                             1,425,648
<CGS>                                          730,716
<TOTAL-COSTS>                                1,160,493
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              61,409
<INCOME-PRETAX>                                209,459
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                            209,459
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   209,459
<EPS-PRIMARY>                                      .05
<EPS-DILUTED>                                      .05