A Guide to Pea Gravel, Gravel, Crushed Stone, River Rocks ...
Jan 18, 2009· here most systems call for double washed 3/4 inch stone. the driver gets loaded with washed stone at the material yard then parks the truck under the washer,raises the body a tad then stays there till the water comes out clean. some systems call for zero sand. which is a ceertail size of washed sand but it has to be natural round sand granuals ...