DRILLING AND SURFACE BLASTING Stabilization of The Western Sector of Punta Lucero Quarry (Port of Bilbao) Surface Blasting. Road N-232. Teruel Surface blasting. Highway A-21 Quarry drill and blast works. Karrantza. Bizkaia Quarry drilling and blasting. Rigoitia. Bizkaia Quarry drilling and blasting. Las Brañas. Blasting on Road BI-625. Zarátamo. Bizkaia Surface blasting. Bermeo Surface blasting. Arrigorriaga. BACK