CLCA Bibliography on Landscape Water Conservation and Management The California Landscape Contractors Association (CLCA) has compiled a Bibliography of Literature on Landscape Water Conservation and Management for green industry, water agency, and other researchers. CLCA's Water Management Committee Chairman, Pat Marion says the 100-page document, which cites1,300 books, articles, manuals, and other written sources -- from technical and trade to public agency and general interest sources -- is available for $20 (members, $10) by calling (916) 448-CLCA. CLCA Show photo/caption: CLCA, the oldest and largest organization of licensed landscape and irrigation contractors, hosts an annual Landscape Industry Show with hands-on training courses like the field seminar shown.