EXHIBIT 23(b)
CONSENT OF INDEPENDENT AUDITORS
We hereby consent to the incorporation by reference in this Registration
Statement on Form S-3 of Minnesota Mining and Manufacturing Company of our
report dated February 14, 2000, relating to the consolidated financial
statements, which appears in Minnesota Mining and Manufacturing Company's Annual
Report on Form 10-K for the year ended December 31, 1999. We also consent to the
references to us under the heading "Experts" in such Registration Statement.
/s/ PRICEWATERHOUSECOOPERS LLP
PRICEWATERHOUSECOOPERS LLP
St. Paul, Minnesota
October 30, 2000
