<ARTICLE> 5
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                              JAN-1-1997
<PERIOD-END>                               MAR-31-1997
<CASH>                                         410,005
<SECURITIES>                                     7,321
<RECEIVABLES>                                  634,503
<ALLOWANCES>                                         0
<INVENTORY>                                    240,091
<CURRENT-ASSETS>                             1,305,054
<PP&E>                                      20,584,311
<DEPRECIATION>                            (14,878,414)
<TOTAL-ASSETS>                               7,155,954
<CURRENT-LIABILITIES>                          936,642
<BONDS>                                        927,297
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        40,607
<OTHER-SE>                                   5,016,808
<TOTAL-LIABILITY-AND-EQUITY>                 7,155,954
<SALES>                                      1,019,355
<TOTAL-REVENUES>                             1,030,450
<CGS>                                          516,559
<TOTAL-COSTS>                                  802,734
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              26,728
<INCOME-PRETAX>                                200,988
<INCOME-TAX>                                    17,500
<INCOME-CONTINUING>                            183,488
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   183,488
<EPS-PRIMARY>                                      .05
<EPS-DILUTED>                                      .05