EXHIBIT 3.14


                            CERTIFICATE OF AMENDMENT

                                       TO

                      RESTATED CERTIFICATE OF INCORPORATION

                                       OF

                              AMERICAN SALT COMPANY


         AMERICAN SALT COMPANY, a corporation organized and existing under and
by virtue of the General Corporation Law of the State of Delaware (the
"Corporation"), DOES HEREBY CERTIFY:

                  FIRST: That the Board of Directors of the Corporation duly
         adopted a resolution setting forth a proposed amendment to the Restated
         Certificate of Incorporation of the Corporation declaring said
         amendment to be advisable and calling a meeting of the stockholders of
         the Corporation for consideration thereof. The resolution setting forth
         the proposed amendment is as follows:

                  RESOLVED, that Article First of the Restated Certificate of
         Incorporation of the Corporation be amended, and as amended said
         Article shall be and read in its entirety as follows:

                  "FIRST: The name of the Corporation is North American Salt
         Company (hereinafter sometimes called the "Corporation")."

                  SECOND: That in lieu of a meeting and vote of stockholders,
         the holder of all of the outstanding stock of the Corporation has given
         its unanimous written consent to said amendment in accordance with the
         provisions of Section 228(a) of the General Corporation Law of the
         State of Delaware.

                  THIRD: That said amendment was duly adopted in accordance with
         the provisions of Section 242 of the General Corporation Law of the
         State of Delaware.




         IN WITNESS WHEREOF, the Corporation has caused this certificate of
amendment to be signed by Anthony J. Petrocelli, its Vice Chairman, Treasurer
and Assistant Secretary, and attested by Richard J. Donahue, its Senior Vice
President, Secretary and Assistant Treasurer, as of the 20th day of August,
1990.

                              AMERICAN SALT COMPANY

                              By:
                                 -----------------------------------------------
                              Anthony J. Petrocelli
                              Vice Chairman, Treasurer
                              and Assistant Secretary

ATTEST:
        -----------------------------------
        Richard J. Donahue
        Senior Vice President,
          Secretary and Assistant
          Treasurer