0000898430-98-001132 10-K 4 19971231 19980330 NYSE PCX CALMAT CO 0000023533 1400 950645790 DE 1231 10-K 34 001-07035 98577440 3200 SAN FERNANDO RD LOS ANGELES CA 90065 2132582777 CONROCK CO 19840712 CONSOLIDATED ROCK PRODUCTS CO 19720915 10-K 1 000089843098001132-001-seq1-10-k.txt FORM 10-K EX-10.6 2 000089843098001132-002-seq2-ex-10-6.txt AMENDED & RESTATES CALMAT CO. SUPPLEMENTAL EXC. PL EX-21.1 3 000089843098001132-003-seq3-ex-21-1.txt SUBSIDIARIES OF THE COMPANY EX-27 4 000089843098001132-004-seq4-ex-27.txt FINANCIAL DATA SCHEDULE