0000950157-98-000506 SC 14D9/A 1 19981215 CALMAT CO 0000023533 1400 950645790 DE 1231 SC 14D9/A 34 005-13647 98770159 3200 SAN FERNANDO RD LOS ANGELES CA 90065 2132582777 CONROCK CO 19840712 CONSOLIDATED ROCK PRODUCTS CO 19720915 CALMAT CO 0000023533 1400 950645790 DE 1231 SC 14D9/A 3200 SAN FERNANDO RD LOS ANGELES CA 90065 2132582777 CONROCK CO 19840712 CONSOLIDATED ROCK PRODUCTS CO 19720915 SC 14D9/A 1 000095015798000506-001-seq1-sc-14d9-a.txt AMENDMENT NO. 2