Austin Quarry Project: Draft EIR Release Scheduled. July 30, 2010. Vulcan Materials has proposed a quarry in southeastern Madera County named the Austin Quarry Project. Located near the intersection of State Routes 41 and 145, it is the second of three recent mining proposals in Madera County. The project is planned to provide 2.5 million tons annually for up to 100 years. Benchmark Resources is contracted by the County to prepare the Environmental Impact Report and expects the document [...]