<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM "ITEM 1.
FINANCIAL STATEMENTS" AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               MAR-31-1999
<CASH>                                           2,378
<SECURITIES>                                        73
<RECEIVABLES>                                    5,885
<ALLOWANCES>                                         0
<INVENTORY>                                      4,842
<CURRENT-ASSETS>                                14,950
<PP&E>                                         150,745
<DEPRECIATION>                                  90,863
<TOTAL-ASSETS>                                  76,410
<CURRENT-LIABILITIES>                            7,060
<BONDS>                                         12,937
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                       121,146
<OTHER-SE>                                    (70,636)
<TOTAL-LIABILITY-AND-EQUITY>                    78,410
<SALES>                                          6,410
<TOTAL-REVENUES>                                 6,434
<CGS>                                            6,531
<TOTAL-COSTS>                                    8,068
<OTHER-EXPENSES>                                 1,127
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 270
<INCOME-PRETAX>                                (3,031)
<INCOME-TAX>                                        14
<INCOME-CONTINUING>                            (3,045)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   (3,045)
<EPS-PRIMARY>                                   (0.03)
<EPS-DILUTED>                                   (0.03)