Section 55500 Of Chapter 3. Joint Cement Projects From California Government Code >> Division 2. >> Title 5. >> Part 2. >> Chapter 3.

. Counties, cities, and irrigation districts may jointly or severally purchase, lease, or otherwise acquire and operate, manage, and control rock quarries, rock plants, sand pits, cement plants, and other works or projects for the extraction, manufacture, or preparation of rock, sand, cement, and other materials used by them in performing their functions.