Gravel Size Chart, Crushed Stone and Rock Sizes
#67 and #57 graded crushed rocks are similar materials but may come in slightly different sizes where #57 gravel can have a maximum size of 1 1/2″ whereas #67 grade is usually less than 1″. Crushed stone #67 is also screened so that it has no dust making it minimally compactable and suitable for use where you don't want the stone to ...
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