<ARTICLE>         5
 <LEGEND>
 THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
 CONSOLIDATED FINANCIAL STATEMENTS FOR THE SIX MONTHS ENDED JUNE 30, 1997
 OF MOSINEE PAPER CORPORATION AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE
 TO SUCH FINANCIAL STATEMENTS.
 </LEGEND>
        
                                          
 <PERIOD-TYPE>                                     6-MOS
 <FISCAL-YEAR-END>                           DEC-31-1997
 <PERIOD-END>                                JUN-30-1997
 <CASH>                                        2,675,606
 <SECURITIES>                                          0
 <RECEIVABLES>                                31,223,634
 <ALLOWANCES>                                  2,404,147
 <INVENTORY>                                  49,039,090
 <CURRENT-ASSETS>                             88,331,581
 <PP&E>                                      388,484,556
 <DEPRECIATION>                              178,717,249
 <TOTAL-ASSETS>                              309,003,979
 <CURRENT-LIABILITIES>                        43,938,476
 <BONDS>                                      68,839,360
 <COMMON>                                     58,678,056
 <PREFERRED-MANDATORY>                                 0
 <PREFERRED>                                           0
 <OTHER-SE>                                   98,878,258
 <TOTAL-LIABILITY-AND-EQUITY>                309,003,979
 <SALES>                                     163,510,688
 <TOTAL-REVENUES>                            163,510,688
 <CGS>                                       120,469,188
 <TOTAL-COSTS>                               135,216,116
 <OTHER-EXPENSES>                               (137,472)
 <LOSS-PROVISION>                                      0
 <INTEREST-EXPENSE>                            1,926,145
 <INCOME-PRETAX>                              26,506,211
 <INCOME-TAX>                                  10350,000
 <INCOME-CONTINUING>                          16,156,211
 <DISCONTINUED>                                        0
 <EXTRAORDINARY>                                       0
 <CHANGES>                                             0
 <NET-INCOME>                                 16,156,211
 <EPS-PRIMARY>                                      1.06
 <EPS-DILUTED>                                         0