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Quarry - Wikipedia

A quarry is a place from which dimension stone, rock, construction aggregate, riprap, sand, ... Types of rock extracted from quarries include: ... or which are located close to surface water often have engineering problems with drainage.

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What Happens to Old Quarries? | QUEST | KQED Science

Aug 11, 2011 ... Some of our older quarries left fairly benign footprints. These can be turned into assets that offer some geological interest as well.

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Weekite أجنحة صغيرة: يوليو 2008

22 تموز (يوليو) 2008 ... The behavior could have repercussions on Egypt''s tourism industry, a major ... used to have in the past, which is about 1/100th of a pound) since 1980''s, ..... وهكذا، والصحفي الشاطر يغزل الأخبار بالشوكة والسكينة وكسارة البندق.

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