
<TABLE> <S> <C>

<ARTICLE> 5
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               JUN-30-1997
<CASH>                                         643,519
<SECURITIES>                                         0
<RECEIVABLES>                               19,214,931
<ALLOWANCES>                               (2,858,186)
<INVENTORY>                                  6,727,562
<CURRENT-ASSETS>                            27,754,937
<PP&E>                                      88,798,057
<DEPRECIATION>                            (38,213,719)
<TOTAL-ASSETS>                              98,077,239
<CURRENT-LIABILITIES>                       17,577,636
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                       449,894
<OTHER-SE>                                  12,064,133
<TOTAL-LIABILITY-AND-EQUITY>                98,077,239
<SALES>                                     32,603,752
<TOTAL-REVENUES>                            32,603,752
<CGS>                                       26,730,520
<TOTAL-COSTS>                               26,730,520
<OTHER-EXPENSES>                            10,585,677
<LOSS-PROVISION>                               150,000
<INTEREST-EXPENSE>                           1,208,875
<INCOME-PRETAX>                            (6,071,320)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                        (6,071,320)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                               (6,071,320)
<EPS-PRIMARY>                                   (1.32)
<EPS-DILUTED>                                   (1.32)
        

</TABLE>
