<ARTICLE>             5
<LEGEND>
                      FINANCIAL DATA SCHEDULE

 THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
 CONSOLIDATED FINANCIAL STATEMENTS FOR THE SIX MONTHS ENDED JUNE 30, 1999
 OF WAUSAU-MOSINEE PAPER CORPORATION AND IS QUALIFIED IN ITS ENTIRETY BY
 REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>

                                    
 <PERIOD-TYPE>                               6-MOS
 <FISCAL-YEAR-END>                     DEC-31-1999
 <PERIOD-END>                          JUN-30-1999
 <CASH>                                      1,216
 <SECURITIES>                                    0
 <RECEIVABLES>                              95,352
 <ALLOWANCES>                                9,738
 <INVENTORY>                               149,278
 <CURRENT-ASSETS>                          255,859
 <PP&E>                                  1,092,557
 <DEPRECIATION>                            452,199
 <TOTAL-ASSETS>                            931,942
 <CURRENT-LIABILITIES>                     200,837
 <BONDS>                                   124,375
 <COMMON>                                  170,681
 <PREFERRED-MANDATORY>                           0
 <PREFERRED>                                     0
 <OTHER-SE>                                220,590
 <TOTAL-LIABILITY-AND-EQUITY>              931,942
 <SALES>                                   460,698
 <TOTAL-REVENUES>                          460,698
 <CGS>                                     384,876
 <TOTAL-COSTS>                             417,918
 <OTHER-EXPENSES>                              541
 <LOSS-PROVISION>                                0
 <INTEREST-EXPENSE>                          5,090
 <INCOME-PRETAX>                            38,231
 <INCOME-TAX>                               14,400
 <INCOME-CONTINUING>                        23,831
 <DISCONTINUED>                                  0
 <EXTRAORDINARY>                                 0
 <CHANGES>                                       0
 <NET-INCOME>                               23,831
 <EPS-BASIC>                                0.45
 <EPS-DILUTED>                                0.45