What is 21A gravel?

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What is #57 limestone used for?

Why is it called 57 stone? AASHTO #57 aggregate is a crushed stone grade that is gravel-like and made from a blend of stones five, six and seven. It comes from natural rock, so the pieces are jagged and angular.

In respect to this, how much 2b stone do i need?

Calculate 2B Limestone Coverage (Square feet) 400 sq ft Volume (Cubic yards) 2.5 cu yd Estimated amount (Pounds) 5,951 lb Estimated amount (Tons) 2.98 ton Amount +15% compression 3.42 ton 2 more rows Subsequently, how many yards are in a ton? Regarding this, "how many yards in a ton?", generally for estimating purpose 1 yard of gravel weighs around 3000 pounds and 1 US ton = 2000 pounds, so yards in a ton = 2000/3000 = 0.66 cubic yards, therefore, there are 0.66 yards in a ton.

How many sq ft are in a ton?

600 sq ft Tonnage Table Area (Square Feet): BTU Tonnage 600 sq ft 12,000 BTU 1 Ton 900 sq ft 18,000 BTU 1.5 Tons 1,200 sq ft 24,000 BTU 2 Tons 1,500 sq ft 30,000 BTU 2.5 Tons 7 more rows What is the cheapest landscaping stone? These are the top three commonly used cheap rocks for landscapes and their costs: Crushed Granite - $50 to $70 per cubic yard. Pea Gravel - $2 to $3 per bag. Now, let's discuss each one in detail: Crushed Granite Landscape Rocks. Pea Gravel Landscape Rocks. River Rocks for Landscaping.