Effects of Quarry Activities on some Selected Communities .
A quarry is a type of open-pit mine in which dimension stone, rock, construction aggregate, riprap, sand, gravel, or slate is excavated from the ground. The word quarry can also include the underground quarrying for stone, such as Bath stone .Building the future of quarry monitoring . French quarry operator, Groupe CB, turned to drone data analytics expert Redbird to provide accurate geospatial data across nine sites. The result: a major improvement in on-site safety, a 5X reduction in survey costs, and an increase in the depth of Groupe CB's topographic data.