Those who live in glass houses should not throw 57 stone! You can use it for other purposes. Typically, it used for the construction of driveways, roads and as a base for retaining walls. It is largely made from crushing up demolished concrete structures and pads. Selmon Extension construction crews are using the crushed stones for bedding underneath pipes in wet areas on the east end of the project. It’s also used as an aggregate base in concrete and asphalt.