91_904.zc Concrete Pipe & Products of California, Inc. v. Construction Laborers Pension Trust for Southern California -- Concurring Opinion 91_904.zc1 Concrete Pipe & Products of California, Inc. v. Construction Laborers Pension Trust for Southern California -- Concurring Opinion 91_904.zo Concrete Pipe & Products of California, Inc. v. Construction Laborers Pension Trust for Southern California -- Opinion 91_904.zs Concrete Pipe & Products of California, Inc. v. Construction Laborers Pension Trust for Southern California -- Syllabus