https://www.siliconvalley.com/2022/02/10/cupertino-quarry-and-cement-plant-may-be-bought-and-shut-down-by-santa-clara-county-government/ > A major quarry and cement plant in the hills west of Cupertino that have built freeways, dams and buildings across Northern California for generations — but also sparked controversy over pollution and noise — could be purchased and shut down by Santa Clara County, under a plan made public Thursday. > Santa Clara County Supervisor Joe Simitian announced a proposal to require Santa Clara County officials to issue a report in 90 days spelling out options for purchasing the Lehigh Hanson property, including negotiating with its owners or seizing the land by eminent domain.