Gravel Calculator – Square Footage Area
Gravel used for typical commercial use is usually of smaller size but its size can range from granule (2mm to 4mm) to boulder. Gravel is commonly used to build roads, paths, driveways and even on the patios. ... Quarry process also called crusher run, is the combination of stone dust, crushed stone and trap rock. Stones usually ¾ inch or less ...