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2. Gravel - Wikipedia

   en.wikipedia.org/wiki/Gravel

   It is widely used as a surfacing for roads and driveways, sometimes with tar applied over it. Crushed stone may be made from granite, limestone, dolomite, and other rocks. Also known as "crusher run", DGA (dense grade aggregate) QP (quarry process), and shoulder stone. [30] Crushed stone is distinguished from gravel by the U.S. Geological ...

3. Gravel road - Wikipedia

   en.wikipedia.org/wiki/Gravel_road

   The gravel used consists of varying amount of crushed stone, sand, and fines. Fines are silt or clay particles smaller than .075 millimetres (0.0030 in), which can act as a binder. Crushed stone, also called road metal, is used because gravel with fractured faces will stay in place better than rounded river pebbles.

4. Base course - Wikipedia

   en.wikipedia.org/wiki/Base_course

   Aggregate base (AB) is typically a mix of different sizes of crushed rock 20 mm or 3 ⁄ 4 in Aggregate Base, Class 2, is used in roadways and consists of rock particles of size 20 mm (3 ⁄ 4 in) and less. An aggregate is normally made from newly quarried rock, or it is sometimes allowed to be made from recycled asphalt concrete and/or ...

5. Five Advantages of a Gravel Driveway - AOL

   www.aol.com/lifestyle/five-advantages-gravel...

   Learn about gravel driveways pros and cons, what gravel driveways cost, and how much gravel driveway maintenance involves.

6. Crushed stone - Wikipedia

   en.wikipedia.org/wiki/Crushed_stone

   Crushed stone or angular rock is a form of construction aggregate, typically produced by mining a suitable rock deposit and breaking the removed rock down to the desired size using crushers. It is distinct from naturally occurring gravel , which is produced by natural processes of weathering and erosion and typically has a more rounded shape.

7. Decomposed granite - Wikipedia

   en.wikipedia.org/wiki/Decomposed_granite

   Decomposed granite, as a crushed stone form, is used as a pavement building material. It is used on driveways, garden walkways, bocce courts and pétanque terrains, and urban, regional, and national park walkways and heavy-use paths. DG can be installed and compacted to meet handicapped accessibility specifications and criteria, such as the ADA ...