<ARTICLE>                     5
<LEGEND>
     This schedule contains summary financial information extracted
     from the June 30, 2000 Form 10-Q and is qualified in its
     entirety by reference to such financial statements.

<MULTIPLIER>                                   1,000

                                            

<PERIOD-TYPE>               3-MOS                 6-MOS
<FISCAL-YEAR-END>               DEC-31-2000       DEC-31-2000
<PERIOD-START>                  APR-01-2000       JAN-01-2000
<PERIOD-END>                    JUN-30-2000       JUN-30-2000
<CASH>                           12,770             12,770
<SECURITIES>                        500                500
<RECEIVABLES>                    24,611             24,611
<ALLOWANCES>                        270                270
<INVENTORY>                       4,415              4,415
<CURRENT-ASSETS>                 48,873             48,873
<PP&E>                           50,071             50,071
<DEPRECIATION>                   28,096             28,096
<TOTAL-ASSETS>                  257,044            257,044
<CURRENT-LIABILITIES>            12,796             12,796
<BONDS>                               0                  0
<PREFERRED-MANDATORY>                 0                  0
<PREFERRED>                           0                  0
<COMMON>                            194                194
<OTHER-SE>                       99,432             99,432
<TOTAL-LIABILITY-AND-EQUITY>    257,044            257,044
<SALES>                               0                  0
<TOTAL-REVENUES>                 33,382             62,825
<CGS>                                 0                  0
<TOTAL-COSTS>                    15,229             27,780
<OTHER-EXPENSES>                  3,434              6,354
<LOSS-PROVISION>                      0                  0
<INTEREST-EXPENSE>                2,507              4,933
<INCOME-PRETAX>                   5,618             10,979
<INCOME-TAX>                      2,303              4,367
<INCOME-CONTINUING>               3,315              6,612
<DISCONTINUED>                        0                  0
<EXTRAORDINARY>                       0                  0
<CHANGES>                             0                  0
<NET-INCOME>                      3,315              6,612
<EPS-BASIC>                        0.20               0.41
<EPS-DILUTED>                      0.20               0.40