production of crushed sand

11.19.1 Sand And Gravel Processing

11/95 Sand And Gravel Processing 11.19.1-1 ... produce crushed aggregate, ... Emissions from the production of sand and gravel consist primarily of particulate ...

Construction aggregate - Wikipedia

Construction aggregate, ... 2006 U.S. crushed stone production was 1.72 billion tonnes ... 2006 U.S. sand and gravel production was 1.32 billion tonnes ...