CASES

crushed granite railroad ballast

crushed granite railroad ballast


crushed basalt for railroad ballast -

LIMESTONE RAILROAD BALLAST | Texas Crushed Stone Co. . variety of materials have been used for ballast such as gneiss, granite, basalt. Hard.

Track ballast - Wikipedia

Track ballast forms the trackbed upon which railroad ties (sleepers) are laid. It is packed between, below, and around the ties. It is used to bear the load from the .