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A piece of limestone from Les Carrières du Boulonnais is set to land on Mars
Article La Voix du Nord - On July 30, 2020, NASA's Mars 2020 space mission took on board a sample of limestone extracted from Les Carrières du Boulonnais.
TRB, 70 years of concrete and fire
Article Semaine dans le Boulonnais - Who said that behind the walls of this quiet Boulonnais factory lies a company that works with the whole world?
120 years of Groupe CB, a family business
Article Mines et Carrières - The Groupe CB, which includes Carrières du Boulonnais, celebrated its 120th anniversary at the Ferques quarry (62), with a day reserved for partners on September 2, and the following day for local residents to discover this exceptional site.