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                                                                    EXHIBIT 23.2
 
                       CONSENT OF INDEPENDENT ACCOUNTANTS
 
     We consent to the incorporation by reference in this registration statement
on Form S-3 (File No.      ) of our report dated February 21, 1994, on our
audits of the financial statements and financial statement schedules of CalMat
Co. and subsidiaries. We also consent to the reference to our firm under the
caption "Experts."
 
                                          COOPERS & LYBRAND
 
Los Angeles, California
March 23, 1994
